diff --git a/clearml_agent/external/requirements_parser/parser.py b/clearml_agent/external/requirements_parser/parser.py
index 024c905..43755dc 100644
--- a/clearml_agent/external/requirements_parser/parser.py
+++ b/clearml_agent/external/requirements_parser/parser.py
@@ -16,7 +16,7 @@ def parse(reqstr):
     filename = getattr(reqstr, 'name', None)
     try:
         # Python 2.x compatibility
-        if not isinstance(reqstr, basestring):
+        if not isinstance(reqstr, basestring):  # noqa
             reqstr = reqstr.read()
     except NameError:
         # Python 3.x only