fix: holiday URL

Author: proffapt

utils/dates.py

@@ -31,8 +31,12 @@ def get_holidates() -> (list[datetime], list[str, datetime]):
     scrapes holiday list from IITKGP website
     returns: list of holidays as occasions and datetime objects
     """
+    headers = {
+        "timeout": "20",
+        "User-Agent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Ubuntu Chromium/51.0.2704.79 Chrome/51.0.2704.79 Safari/537.36",
+    }
     url = "https://www.iitkgp.ac.in/holidays"
-    result = requests.get(url).text
+    result = requests.get(url=url, headers=headers).text
     doc = bs(result, "html.parser")
     tbody = doc.tbody
     trs = tbody.contents
@@ -182,4 +186,4 @@ def get_rfc_time(time: int, day: str, minute: int = 0, second: int = 0) -> str:
 
 for hday in hdays.keys():
     hdays[hday].sort()
-    hdays[hday] = list(set(hdays[hday]))  ### datetime dict(list)
+    hdays[hday] = list(set(hdays[hday]))  ### datetime dict(list)