Fix adding skills param to request url

app.py

@@ -114,12 +114,11 @@ def get_interviewer_teams_by_skills_in_time_slot(
         optional_params = "&startDateTime={start}&endDateTime={end}".format(start=start_date_time, end=end_date_time)
         params += optional_params
 
-    params.join(f'&skills={skill}' for skill in skills)
+    params += "".join(f'&skills={skill}' for skill in skills)
     print(params)        
     
     basic_url = "http://18.133.247.78/search/interviewerTeams"    
     url = basic_url + params
-    print(params)
     return requests.get(url).content
 
 class GetAllInterviewers(BaseModel):