Ensuring that Class definitions exit counts are correct when you use #pragma: no cover for the class

1 files changed, 4 insertions, 2 deletions

diff --git a/coverage/parser.py b/coverage/parser.py
index de0e0c7f..01b38af3 100644
--- a/coverage/parser.py
+++ b/coverage/parser.py
@@ -222,8 +222,10 @@ class CodeParser(object):
         
         # Class definitions have one extra exit, so remove one for each:
         for l in self.classdefs:
-            exit_counts[l] -= 1
-
+            # Ensure key is there - #pragma: no cover will mean its not
+            if l in exit_counts:
+                exit_counts[l] -= 1
+                
         return exit_counts
     exit_counts = expensive(exit_counts)