chore(python): add missing license headers [no changelog]

diff --git a/python/src/trezorlib/_internal/translations.py b/python/src/trezorlib/_internal/translations.py
index 3e89cd52..56c2ff79 100644
--- a/python/src/trezorlib/_internal/translations.py
+++ b/python/src/trezorlib/_internal/translations.py
@@ -1,3 +1,19 @@
+# This file is part of the Trezor project.
+#
+# Copyright (C) SatoshiLabs and contributors
+#
+# This library is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License version 3
+# as published by the Free Software Foundation.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the License along with this library.
+# If not, see <https://www.gnu.org/licenses/lgpl-3.0.html>.
+
 from __future__ import annotations
 
 import json
diff --git a/python/src/trezorlib/authentication.py b/python/src/trezorlib/authentication.py
index f113fa02..7fb8d76e 100644
--- a/python/src/trezorlib/authentication.py
+++ b/python/src/trezorlib/authentication.py
@@ -1,3 +1,19 @@
+# This file is part of the Trezor project.
+#
+# Copyright (C) SatoshiLabs and contributors
+#
+# This library is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License version 3
+# as published by the Free Software Foundation.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the License along with this library.
+# If not, see <https://www.gnu.org/licenses/lgpl-3.0.html>.
+
 from __future__ import annotations
 
 import io
diff --git a/python/src/trezorlib/ble.py b/python/src/trezorlib/ble.py
index eb3f5466..c761aff8 100644
--- a/python/src/trezorlib/ble.py
+++ b/python/src/trezorlib/ble.py
@@ -1,3 +1,19 @@
+# This file is part of the Trezor project.
+#
+# Copyright (C) SatoshiLabs and contributors
+#
+# This library is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License version 3
+# as published by the Free Software Foundation.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the License along with this library.
+# If not, see <https://www.gnu.org/licenses/lgpl-3.0.html>.
+
 import typing as t
 
 from . import messages
diff --git a/python/src/trezorlib/cli/solana.py b/python/src/trezorlib/cli/solana.py
index ee5d2d3b..24811907 100644
--- a/python/src/trezorlib/cli/solana.py
+++ b/python/src/trezorlib/cli/solana.py
@@ -1,3 +1,19 @@
+# This file is part of the Trezor project.
+#
+# Copyright (C) SatoshiLabs and contributors
+#
+# This library is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License version 3
+# as published by the Free Software Foundation.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the License along with this library.
+# If not, see <https://www.gnu.org/licenses/lgpl-3.0.html>.
+
 from __future__ import annotations
 
 import json
diff --git a/python/src/trezorlib/definitions.py b/python/src/trezorlib/definitions.py
index 1c087c04..f7f60e33 100644
--- a/python/src/trezorlib/definitions.py
+++ b/python/src/trezorlib/definitions.py
@@ -1,3 +1,19 @@
+# This file is part of the Trezor project.
+#
+# Copyright (C) SatoshiLabs and contributors
+#
+# This library is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License version 3
+# as published by the Free Software Foundation.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the License along with this library.
+# If not, see <https://www.gnu.org/licenses/lgpl-3.0.html>.
+
 import logging
 import tarfile
 import typing as t
diff --git a/python/src/trezorlib/solana.py b/python/src/trezorlib/solana.py
index 028fd1cf..27762211 100644
--- a/python/src/trezorlib/solana.py
+++ b/python/src/trezorlib/solana.py
@@ -1,3 +1,19 @@
+# This file is part of the Trezor project.
+#
+# Copyright (C) SatoshiLabs and contributors
+#
+# This library is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License version 3
+# as published by the Free Software Foundation.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the License along with this library.
+# If not, see <https://www.gnu.org/licenses/lgpl-3.0.html>.
+
 from typing import TYPE_CHECKING, Any, List, Optional
 
 from . import messages
diff --git a/python/src/trezorlib/transport/session.py b/python/src/trezorlib/transport/session.py
index 33dea8ee..88e02dac 100644
--- a/python/src/trezorlib/transport/session.py
+++ b/python/src/trezorlib/transport/session.py
@@ -1,3 +1,19 @@
+# This file is part of the Trezor project.
+#
+# Copyright (C) SatoshiLabs and contributors
+#
+# This library is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License version 3
+# as published by the Free Software Foundation.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the License along with this library.
+# If not, see <https://www.gnu.org/licenses/lgpl-3.0.html>.
+
 from __future__ import annotations
 
 import logging
diff --git a/python/src/trezorlib/transport/thp/channel.py b/python/src/trezorlib/transport/thp/channel.py
index 1555d26b..44747331 100644
--- a/python/src/trezorlib/transport/thp/channel.py
+++ b/python/src/trezorlib/transport/thp/channel.py
@@ -1,3 +1,19 @@
+# This file is part of the Trezor project.
+#
+# Copyright (C) SatoshiLabs and contributors
+#
+# This library is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License version 3
+# as published by the Free Software Foundation.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the License along with this library.
+# If not, see <https://www.gnu.org/licenses/lgpl-3.0.html>.
+
 from __future__ import annotations
 
 import typing as t
diff --git a/python/src/trezorlib/transport/thp/checksum.py b/python/src/trezorlib/transport/thp/checksum.py
index 8e0f32f0..04de5168 100644
--- a/python/src/trezorlib/transport/thp/checksum.py
+++ b/python/src/trezorlib/transport/thp/checksum.py
@@ -1,3 +1,19 @@
+# This file is part of the Trezor project.
+#
+# Copyright (C) SatoshiLabs and contributors
+#
+# This library is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License version 3
+# as published by the Free Software Foundation.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the License along with this library.
+# If not, see <https://www.gnu.org/licenses/lgpl-3.0.html>.
+
 import zlib
 
 CHECKSUM_LENGTH = 4
diff --git a/python/src/trezorlib/transport/thp/control_byte.py b/python/src/trezorlib/transport/thp/control_byte.py
index dca681ef..01d9ad07 100644
--- a/python/src/trezorlib/transport/thp/control_byte.py
+++ b/python/src/trezorlib/transport/thp/control_byte.py
@@ -1,3 +1,19 @@
+# This file is part of the Trezor project.
+#
+# Copyright (C) SatoshiLabs and contributors
+#
+# This library is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License version 3
+# as published by the Free Software Foundation.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the License along with this library.
+# If not, see <https://www.gnu.org/licenses/lgpl-3.0.html>.
+
 CODEC_V1 = 0x3F
 CONTINUATION_PACKET = 0x80
 HANDSHAKE_INIT_REQ = 0x00
diff --git a/python/src/trezorlib/transport/thp/cpace.py b/python/src/trezorlib/transport/thp/cpace.py
index d0b28e26..6df9678c 100644
--- a/python/src/trezorlib/transport/thp/cpace.py
+++ b/python/src/trezorlib/transport/thp/cpace.py
@@ -1,3 +1,19 @@
+# This file is part of the Trezor project.
+#
+# Copyright (C) SatoshiLabs and contributors
+#
+# This library is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License version 3
+# as published by the Free Software Foundation.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the License along with this library.
+# If not, see <https://www.gnu.org/licenses/lgpl-3.0.html>.
+
 import typing as t
 from hashlib import sha512
 
diff --git a/python/src/trezorlib/transport/thp/curve25519.py b/python/src/trezorlib/transport/thp/curve25519.py
index e4416225..a5eace41 100644
--- a/python/src/trezorlib/transport/thp/curve25519.py
+++ b/python/src/trezorlib/transport/thp/curve25519.py
@@ -1,3 +1,19 @@
+# This file is part of the Trezor project.
+#
+# Copyright (C) SatoshiLabs and contributors
+#
+# This library is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License version 3
+# as published by the Free Software Foundation.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the License along with this library.
+# If not, see <https://www.gnu.org/licenses/lgpl-3.0.html>.
+
 from typing import Tuple
 
 p = 2**255 - 19
diff --git a/python/src/trezorlib/transport/thp/message_header.py b/python/src/trezorlib/transport/thp/message_header.py
index d2ff002d..f58ddc77 100644
--- a/python/src/trezorlib/transport/thp/message_header.py
+++ b/python/src/trezorlib/transport/thp/message_header.py
@@ -1,3 +1,19 @@
+# This file is part of the Trezor project.
+#
+# Copyright (C) SatoshiLabs and contributors
+#
+# This library is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License version 3
+# as published by the Free Software Foundation.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the License along with this library.
+# If not, see <https://www.gnu.org/licenses/lgpl-3.0.html>.
+
 import struct
 
 CODEC_V1 = 0x3F
diff --git a/python/src/trezorlib/transport/thp/protocol_v2.py b/python/src/trezorlib/transport/thp/protocol_v2.py
index 7fb7032d..c353fd60 100644
--- a/python/src/trezorlib/transport/thp/protocol_v2.py
+++ b/python/src/trezorlib/transport/thp/protocol_v2.py
@@ -1,3 +1,19 @@
+# This file is part of the Trezor project.
+#
+# Copyright (C) SatoshiLabs and contributors
+#
+# This library is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License version 3
+# as published by the Free Software Foundation.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the License along with this library.
+# If not, see <https://www.gnu.org/licenses/lgpl-3.0.html>.
+
 from __future__ import annotations
 
 import logging
diff --git a/python/src/trezorlib/transport/thp/thp_io.py b/python/src/trezorlib/transport/thp/thp_io.py
index 65ef937c..ba05248c 100644
--- a/python/src/trezorlib/transport/thp/thp_io.py
+++ b/python/src/trezorlib/transport/thp/thp_io.py
@@ -1,3 +1,19 @@
+# This file is part of the Trezor project.
+#
+# Copyright (C) SatoshiLabs and contributors
+#
+# This library is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License version 3
+# as published by the Free Software Foundation.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the License along with this library.
+# If not, see <https://www.gnu.org/licenses/lgpl-3.0.html>.
+
 from __future__ import annotations
 
 import struct
diff --git a/python/tests/test_firmware.py b/python/tests/test_firmware.py
index ff086bb0..79d9fb48 100644
--- a/python/tests/test_firmware.py
+++ b/python/tests/test_firmware.py
@@ -1,3 +1,19 @@
+# This file is part of the Trezor project.
+#
+# Copyright (C) SatoshiLabs and contributors
+#
+# This library is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License version 3
+# as published by the Free Software Foundation.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the License along with this library.
+# If not, see <https://www.gnu.org/licenses/lgpl-3.0.html>.
+
 from pathlib import Path
 
 import construct
diff --git a/python/tests/test_rlp.py b/python/tests/test_rlp.py
index 358f793a..242ac70e 100644
--- a/python/tests/test_rlp.py
+++ b/python/tests/test_rlp.py
@@ -1,3 +1,19 @@
+# This file is part of the Trezor project.
+#
+# Copyright (C) SatoshiLabs and contributors
+#
+# This library is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License version 3
+# as published by the Free Software Foundation.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the License along with this library.
+# If not, see <https://www.gnu.org/licenses/lgpl-3.0.html>.
+
 import pytest
 
 from trezorlib import _rlp
diff --git a/python/tools/pybridge.py b/python/tools/pybridge.py
index 685878f4..f95b2fe8 100644
--- a/python/tools/pybridge.py
+++ b/python/tools/pybridge.py
@@ -1,4 +1,21 @@
 #!/usr/bin/env python3
+
+# This file is part of the Trezor project.
+#
+# Copyright (C) SatoshiLabs and contributors
+#
+# This library is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License version 3
+# as published by the Free Software Foundation.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the License along with this library.
+# If not, see <https://www.gnu.org/licenses/lgpl-3.0.html>.
+
 # ### INSTRUCTIONS FOR USE ####
 #
 # 1. install Python 3.7 and up
diff --git a/python/tools/rng_entropy_collector.py b/python/tools/rng_entropy_collector.py
index 479589c5..5fc34a66 100755
--- a/python/tools/rng_entropy_collector.py
+++ b/python/tools/rng_entropy_collector.py
@@ -1,4 +1,21 @@
 #!/usr/bin/env python3
+
+# This file is part of the Trezor project.
+#
+# Copyright (C) SatoshiLabs and contributors
+#
+# This library is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License version 3
+# as published by the Free Software Foundation.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the License along with this library.
+# If not, see <https://www.gnu.org/licenses/lgpl-3.0.html>.
+
 # example usage: ./rng_entropy_collector.py stm32_rng_1.dat 1048576
 # note: for reading large amounts of entropy, compile a firmware
 # that has DEBUG_RNG == 1 as that will disable the user button
diff --git a/python/tools/toiftool/toiftool.py b/python/tools/toiftool/toiftool.py
index 4b461416..cac8c888 100644
--- a/python/tools/toiftool/toiftool.py
+++ b/python/tools/toiftool/toiftool.py
@@ -1,4 +1,21 @@
 #!/usr/bin/env python3
+
+# This file is part of the Trezor project.
+#
+# Copyright (C) SatoshiLabs and contributors
+#
+# This library is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License version 3
+# as published by the Free Software Foundation.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the License along with this library.
+# If not, see <https://www.gnu.org/licenses/lgpl-3.0.html>.
+
 from typing import BinaryIO
 
 import click
diff --git a/python/tools/trezorctl_script_client.py b/python/tools/trezorctl_script_client.py
index 311434bd..42f2c70d 100644
--- a/python/tools/trezorctl_script_client.py
+++ b/python/tools/trezorctl_script_client.py
@@ -1,3 +1,19 @@
+# This file is part of the Trezor project.
+#
+# Copyright (C) SatoshiLabs and contributors
+#
+# This library is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License version 3
+# as published by the Free Software Foundation.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the License along with this library.
+# If not, see <https://www.gnu.org/licenses/lgpl-3.0.html>.
+
 """
 Reference client implementation consuming trezorctl's script interface
 (ScriptUI class) available by using `--script` flag in any trezorctl command.