flake8

src/Products/PluginIndexes/util.py

@@ -21,9 +21,15 @@
 
 def safe_callable(ob):
     # Works with ExtensionClasses and Acquisition.
-    if hasattr(ob, '__class__'):
-        return hasattr(ob, '__call__') or isinstance(ob, six.class_types)
-    else:
+    try:
+        ob.__class__
+
+        try:
+            return bool(ob.__call__)
+        except AttributeError:
+            return isinstance(ob, six.class_types)
+
+    except AttributeError:
         return callable(ob)
 
 
@@ -40,13 +46,13 @@ def datetime_to_minutes(value, precision=1,
 
     # flatten to precision
     if precision > 1:
-        value = value - (value % precision)
+        value = value - (value % precision)  # noqa: S001
 
     value = int(value)
 
     if value > max_value or value < min_value:
         # value must be integer fitting in the range (default 32bit)
         raise OverflowError(
-            '%s is not within the range of dates allowed.' % value)
+            '{0} is not within the range of dates allowed.'.format(value))
 
     return value