1 files changed, 10 insertions, 6 deletions
diff --git a/synapse/util/logutils.py b/synapse/util/logutils.py
index 03249c5dc8..ef31458226 100644
--- a/synapse/util/logutils.py
+++ b/synapse/util/logutils.py
@@ -14,13 +14,13 @@
 # limitations under the License.
 
 
-from inspect import getcallargs
-from functools import wraps
-
-import logging
 import inspect
+import logging
 import time
+from functools import wraps
+from inspect import getcallargs
 
+from six import PY3
 
 _TIME_FUNC_ID = 0
 
@@ -30,8 +30,12 @@ def _log_debug_as_f(f, msg, msg_args):
     logger = logging.getLogger(name)
 
     if logger.isEnabledFor(logging.DEBUG):
-        lineno = f.func_code.co_firstlineno
-        pathname = f.func_code.co_filename
+        if PY3:
+            lineno = f.__code__.co_firstlineno
+            pathname = f.__code__.co_filename
+        else:
+            lineno = f.func_code.co_firstlineno
+            pathname = f.func_code.co_filename
 
         record = logging.LogRecord(
             name=name,