fix(deprecations.py): fix for cases result is None

closes #423
tlsfuzzer · Oct 5, 2020 · c00d5c7 · c00d5c7
1 parent 9951ec1
commit c00d5c7
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/tlslite/utils/deprecations.py b/tlslite/utils/deprecations.py
@@ -41,7 +41,7 @@ def _func(*args, **kwargs):
                     # isinstance(old_name(), new_name) to work
                     frame = inspect.currentframe().f_back
                     code = inspect.getframeinfo(frame).code_context
-                    if [line for line in code
+                    if code and [line for line in code
                             if '{0}('.format(old_name) in line]:
                         _warn()
                 else: