Fix PEP8: E226 missing whitespace around arithmetic operator

common/lib/xmodule/xmodule/lti_module.py

@@ -773,7 +773,7 @@ oauth_consumer_key="", oauth_signature="frVp4JuvT1mVXlxktiAUjQ7%2F1cw%3D"'}
         imsx_messageIdentifier = root.xpath("//def:imsx_messageIdentifier", namespaces=namespaces)[0].text or ''
         sourcedId = root.xpath("//def:sourcedId", namespaces=namespaces)[0].text
         score = root.xpath("//def:textString", namespaces=namespaces)[0].text
-        action = root.xpath("//def:imsx_POXBody", namespaces=namespaces)[0].getchildren()[0].tag.replace('{'+lti_spec_namespace+'}', '')
+        action = root.xpath("//def:imsx_POXBody", namespaces=namespaces)[0].getchildren()[0].tag.replace('{' + lti_spec_namespace + '}', '')
         # Raise exception if score is not float or not in range 0.0-1.0 regarding spec.
         score = float(score)
         if not 0 <= score <= 1:

common/test/acceptance/pages/lms/annotation_component.py

@@ -41,7 +41,7 @@ class AnnotationComponentPage(PageObject):
         Return css selector for current active problem with sub_selector.
         """
         return 'div[data-problem-id="{}"] {}'.format(
-            self.q(css='.vert-{}'.format(self.active_problem+1)).map(
+            self.q(css='.vert-{}'.format(self.active_problem + 1)).map(
                 lambda el: el.get_attribute('data-id')).results[0],
             sub_selector,
         )

common/test/data/uploads/python_lib_zip/number_helpers.py

@@ -3,4 +3,4 @@ def seventeen():
 
 
 def fortytwo(x):
-    return 42+x
+    return 42 + x