Convert exception to string

Ivan Kirichenko · web-flow · commit 42f593aac2ff · 2017-09-19T17:34:47.000+02:00
Because log object expects strings only
diff --git a/instana/meter.py b/instana/meter.py
@@ -205,7 +205,7 @@ def collect_modules(self):
 
             return r
         except Exception as e:
-            l.error("collect_modules: ", e)
+            l.error("collect_modules: ", str(e))
 
             return None
 
