Resolve "Received 500 on export Student Scores"

Closes #140 (closed)

util/importer.py

@@ -254,7 +254,7 @@ def do_load_module_descriptions():
 
     print('''
     This loader imports descriptions of modules in an exam. This information
-    is used to distinguish students within one instance or give information 
+    is used to distinguish students within one instance or give information
     about the grading type.
 
     CSV file format: module_reference, total_score, pass_score, pass_only