fix pep8 violations

lms/djangoapps/instructor/views/api.py

@@ -1107,13 +1107,15 @@ def get_students_features(request, course_id, csv=False):  # pylint: disable=red
     else:
         try:
             instructor_task.api.submit_calculate_students_features_csv(request, course_key, query_features)
-            success_status = _("Your enrolled student profile report is being generated!" \
-                               " You can view the status of the generation task in the 'Pending Tasks' section.")
+            success_status = _(
+                "Your enrolled student profile report is being generated! "
+                "You can view the status of the generation task in the 'Pending Tasks' section.")
             return JsonResponse({"status": success_status})
         except AlreadyRunningError:
-            already_running_status = _("An enrolled student profile report generation task is already in progress." \
-                                       " Check the 'Pending Tasks' table for the status of the task. When completed," \
-                                       " the report will be available for download in the table below.")
+            already_running_status = _(
+                "An enrolled student profile report generation task is already in progress. " 
+                "Check the 'Pending Tasks' table for the status of the task. When completed, " 
+                "the report will be available for download in the table below.")
             return JsonResponse({"status": already_running_status})
 
 
@@ -1232,11 +1234,13 @@ def get_enrollment_report(request, course_id):
     course_key = SlashSeparatedCourseKey.from_deprecated_string(course_id)
     try:
         instructor_task.api.submit_detailed_enrollment_features_csv(request, course_key)
-        success_status = _("Your detailed enrollment report is being generated! "
+        success_status = _(
+            "Your detailed enrollment report is being generated! "
             "You can view the status of the generation task in the 'Pending Tasks' section.")
         return JsonResponse({"status": success_status})
     except AlreadyRunningError:
-        already_running_status = _("A detailed enrollment report generation task is already in progress. "
+        already_running_status = _(
+            "A detailed enrollment report generation task is already in progress. "
             "Check the 'Pending Tasks' table for the status of the task. "
             "When completed, the report will be available for download in the table below.")
         return JsonResponse({
@@ -1255,7 +1259,8 @@ def get_exec_summary_report(request, course_id):
     course_key = SlashSeparatedCourseKey.from_deprecated_string(course_id)
     try:
         instructor_task.api.submit_executive_summary_report(request, course_key)
-        status_response = _("Your executive summary report is being created. "
+        status_response = _(
+            "Your executive summary report is being created. "
             "To view the status of the report, see the 'Pending Tasks' section.")
     except AlreadyRunningError:
         status_response = _(
@@ -2136,11 +2141,13 @@ def calculate_grades_csv(request, course_id):
     course_key = SlashSeparatedCourseKey.from_deprecated_string(course_id)
     try:
         instructor_task.api.submit_calculate_grades_csv(request, course_key)
-        success_status = _("Your grade report is being generated! "
+        success_status = _(
+            "Your grade report is being generated! "
             "You can view the status of the generation task in the 'Pending Tasks' section.")
         return JsonResponse({"status": success_status})
     except AlreadyRunningError:
-        already_running_status = _("A grade report generation task is already in progress. "
+        already_running_status = _(
+            "A grade report generation task is already in progress. "
             "Check the 'Pending Tasks' table for the status of the task. "
             "When completed, the report will be available for download in the table below.")
         return JsonResponse({
@@ -2162,11 +2169,13 @@ def problem_grade_report(request, course_id):
     course_key = SlashSeparatedCourseKey.from_deprecated_string(course_id)
     try:
         instructor_task.api.submit_problem_grade_report(request, course_key)
-        success_status = _("Your problem grade report is being generated! "
+        success_status = _(
+            "Your problem grade report is being generated! "
             "You can view the status of the generation task in the 'Pending Tasks' section.")
         return JsonResponse({"status": success_status})
     except AlreadyRunningError:
-        already_running_status = _("A problem grade report is already being generated. "
+        already_running_status = _(
+            "A problem grade report is already being generated. "
             "Check the 'Pending Tasks' table for the status of the task. "
             "When completed, the report will be available for download in the table below.")
         return JsonResponse({