Merge pull request #144 from iyzsong/master

rp_logging: Remove '_patched' when 'patching_logger_class' finished.

Author: Dmitriy Gumeniuk

pytest_reportportal/rp_logging.py

@@ -149,5 +149,7 @@ def makeRecord(self, name, level, fn, lno, msg, args, exc_info,
         yield
 
     finally:
-        logger_class._log = original_log
-        logger_class.makeRecord = original_makeRecord
+        if hasattr(logger_class, '_patched'):
+            logger_class._log = original_log
+            logger_class.makeRecord = original_makeRecord
+            del logger_class._patched