Fix Python 3.2 portability issue

JukkaL · JukkaL · commit 0a7b547dfe01 · 2015-10-20T22:31:20.000-07:00
Python 3.2 doesn't have FileNotFoundError. Replaced to
use the base class OSError instead.
diff --git a/mypy/git.py b/mypy/git.py
@@ -19,7 +19,7 @@ def have_git() -> bool:
         return True
     except subprocess.CalledProcessError:
         return False
-    except FileNotFoundError:
+    except OSError:
         return False
 
 
