From: Michael R. Crusoe <crusoe@debian.org>
Subject: Skip compiling mypyc/__main__.py
Forwarded: https://github.com/python/mypy/pull/11862

Fixes https://github.com/mypyc/mypyc/issues/912
diff --git a/setup.py b/setup.py
index 1004227..001df39 100644
--- a/setup.py
+++ b/setup.py
@@ -107,6 +107,8 @@ if USE_MYPYC:
     )) + (
         # Don't want to grab this accidentally
         os.path.join('mypyc', 'lib-rt', 'setup.py'),
+    ) + (
+        os.path.join('mypyc', '__main__.py'),
     )
 
     everything = (
