Update course_scraper.py

unisportomat/course_scraper/course_scraper.py

 """
-Implementation of a rudementary scraping tool 
+Implementation of a rudementary scraping tool
 for http://www.buchsys.de for SWP UniSport-O-Mat.
 """
 
 import requests
 from bs4 import BeautifulSoup
 
-
 def fetch_website(url):
     """
     Helper function to fetch the content of a website.
@@ -29,9 +28,9 @@ def fetch_website(url):
 
 def scraping(site=None) -> dict:
     """
-    Returns a dictionary of the form {name: link}, 
-    containing the scraped content of 
-    https://www.buchsys.de/fu-berlin/angebote/aktueller_zeitraum/index.html, 
+    Returns a dictionary of the form {name: link},
+    containing the scraped content of
+    https://www.buchsys.de/fu-berlin/angebote/aktueller_zeitraum/index.html,
     unless another URL is given as an argument.
     """
     courses = {}