Merge lp:~sylvain-pineau/checkbox/fix-1511426 into lp:checkbox

[Sylvain Pineau]

This MR works around a python3 bug with the gzip module (https://bugs.python.org/issue24301)

[Zygmunt Krynicki (zyga)]

+1, nice find!

review: Approve

=== modified file 'plainbox/plainbox/impl/result.py'
--- plainbox/plainbox/impl/result.py	2015-08-10 17:51:39 +0000
+++ plainbox/plainbox/impl/result.py	2015-10-29 20:23:24 +0000
@@ -486,6 +486,18 @@
     See: http://bugs.python.org/issue10791
     """
 
+    def _read_gzip_header(self):
+        """
+        Ignore the non-compressed garbage at the end of the file
+
+        See: https://bugs.python.org/issue24301
+        """
+
+        try:
+            return super()._read_gzip_header()
+        except OSError:
+            return False
+
     def read1(self, n):
         return self.read(n)