neat format all functions

app/util/courses.py

@@ -40,7 +40,10 @@ def getCourses(
   return courses
 
 # Writes all course data to csv file
-def writeCoursesToCSV(courses: dict, output_dir: str='./output/raw/csv/courses.csv') -> None:
+def writeCoursesToCSV(
+  courses:    dict, 
+  output_dir: str = './output/raw/csv/courses.csv'
+) -> None:
   with open(output_dir, 'w') as file:
     writer = csv.writer(file)
     # Write header