fix !vreme for spaces in cities

scraper_functions.py

@@ -51,7 +51,7 @@ def getDmzTasks(url):
 
 def get_weather(city:str) -> str:
     url = f"https://wttr.in/{city}?format=3"
-    if not city.isalpha():
+    if not city.replace(" ","").isalpha():
         return "no such city"
     resp = requests.get(url)
     return resp.content.decode("utf-8").strip()