Change CRLF in ICS file to LF in Windows

Author: reekystive

course.py

@@ -209,5 +209,5 @@ def generate_ics(self, courses: List, first_date: str) -> None:
 
                 c.add(e)
 
-        with open('courses.ics', 'w', encoding='utf-8') as ics_file:
+        with open('courses.ics', 'w', encoding='utf-8', newline='\n') as ics_file:
             ics_file.write(c.get_str())