dependencies: rm python-ecdsa

contrib/requirements/requirements.txt

@@ -1,4 +1,3 @@
-ecdsa>=0.14
 qrcode
 protobuf>=3.12
 qdarkstyle<2.9

electrum/tests/test_bitcoin.py

@@ -27,12 +27,6 @@ from . import TestCaseForTestnet
 from . import FAST_TESTS
 
 
-try:
-    import ecdsa
-except ImportError:
-    sys.exit("Error: python-ecdsa does not seem to be installed. Try 'sudo python3 -m pip install ecdsa'")
-
-
 def needs_test_with_all_aes_implementations(func):
     """Function decorator to run a unit test multiple times:
     once with each AES implementation.

run_electrum

@@ -60,7 +60,6 @@ def check_imports():
     # pure-python dependencies need to be imported here for pyinstaller
     try:
         import dns
-        import ecdsa
         import certifi
         import qrcode
         import google.protobuf