commit d91082c777fb6494a41f85bcf56bbe4ae5ad9d37
author Berker Peksag <berker.peksag@gmail.com> Mon Jan 05 09:19:40 2015 +0200
committer Berker Peksag <berker.peksag@gmail.com> Mon Jan 05 09:19:40 2015 +0200
tree ff2810ba125b8300acb9e01084633ddaa9257b93
parent b461000a3f8270f28384968d4122fbf102644d01

Issue #18644: Fix a ResourceWarning in formatter.test().

Patch by Vajrasky Kok.

Lib/formatter.py

diff --git a/Lib/formatter.py b/Lib/formatter.py
index d8cca52..9338261 100644
--- a/Lib/formatter.py
+++ b/Lib/formatter.py
@@ -436,11 +436,15 @@
         fp = open(sys.argv[1])
     else:
         fp = sys.stdin
-    for line in fp:
-        if line == '\n':
-            f.end_paragraph(1)
-        else:
-            f.add_flowing_data(line)
+    try:
+        for line in fp:
+            if line == '\n':
+                f.end_paragraph(1)
+            else:
+                f.add_flowing_data(line)
+    finally:
+        if fp is not sys.stdin:
+            fp.close()
     f.end_paragraph(0)