Update to mypy 0.780.

Author: aaugustin

src/websockets/__main__.py

@@ -49,10 +49,10 @@ def exit_from_event_loop_thread(
     if not stop.done():
         # When exiting the thread that runs the event loop, raise
         # KeyboardInterrupt in the main thread to exit the program.
-        try:
-            ctrl_c = signal.CTRL_C_EVENT  # Windows
-        except AttributeError:
-            ctrl_c = signal.SIGINT  # POSIX
+        if sys.platform == "win32":
+            ctrl_c = signal.CTRL_C_EVENT
+        else:
+            ctrl_c = signal.SIGINT
         os.kill(os.getpid(), ctrl_c)
 
 

src/websockets/typing.py

@@ -14,7 +14,7 @@
 """
 # Remove try / except when dropping support for Python < 3.7
 try:
-    Data.__doc__ = Data__doc__  # type: ignore
+    Data.__doc__ = Data__doc__
 except AttributeError:  # pragma: no cover
     pass
 
@@ -31,7 +31,7 @@
 
 ExtensionParameter__doc__ = """Parameter of a WebSocket extension"""
 try:
-    ExtensionParameter.__doc__ = ExtensionParameter__doc__  # type: ignore
+    ExtensionParameter.__doc__ = ExtensionParameter__doc__
 except AttributeError:  # pragma: no cover
     pass
 
@@ -40,7 +40,7 @@
 
 ExtensionHeader__doc__ = """Item parsed in a Sec-WebSocket-Extensions header"""
 try:
-    ExtensionHeader.__doc__ = ExtensionHeader__doc__  # type: ignore
+    ExtensionHeader.__doc__ = ExtensionHeader__doc__
 except AttributeError:  # pragma: no cover
     pass