Update course_scraper.py

unisportomat/course_scraper/course_scraper.py

+"""
+Implementation of a rudementary scraping tool 
+for http://www.buchsys.de for SWP UniSport-O-Mat.
+"""
+
 import requests
 from bs4 import BeautifulSoup
 
@@ -17,17 +22,21 @@ def fetch_website(url):
         # pinpoint the parser only to the section containing the course names and links
         return soup.find("dl", {"class": "bs_menu"}).find_all("a", href=True)
 
-    except requests.exceptions.RequestException as e:
-        print(e)
+    except requests.exceptions.RequestException as err:
+        print(err)
+        raise
 
 
 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, unless another URL is given as an argument.
+    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 = {}
 
-    if site == None:
+    if site is None:
         site = "https://www.buchsys.de/fu-berlin/angebote/aktueller_zeitraum/"
 
     website = fetch_website(site)