fixing profiles with no reviews

application.py

@@ -191,16 +191,19 @@ def reviews(usr):
         if (g.user['name'] == usr):
             isUser = True
 
-    avgStars = round(sum([review['reviewScore'] for review in profile_user['reviews']]) / len(profile_user['reviews']))
+    if not(len(profile_user['reviews'])) == 0:
+        avgStars = round(sum([review['reviewScore'] for review in profile_user['reviews']]) / len(profile_user['reviews']))
 
-    #print(profile_user['reviews'])
-    review_data = [users.find_one({'name': review['reviewerName']})['profile']['location'] for review in profile_user['reviews']]
-    #print(review_data)
-    for i, loc in enumerate(review_data):
-        profile_user['reviews'][i]['location'] = loc
-    #print(profile_user['reviews'])
+        #print(profile_user['reviews'])
+        review_data = [users.find_one({'name': review['reviewerName']})['profile']['location'] for review in profile_user['reviews']]
+        #print(review_data)
+        for i, loc in enumerate(review_data):
+            profile_user['reviews'][i]['location'] = loc
+        #print(profile_user['reviews'])
 
-    return render_template("reviews.html", profileResult = profile_user, isUser = isUser, avgStars=avgStars)
+        return render_template("reviews.html", profileResult = profile_user, isUser = isUser, avgStars=avgStars)
+    else:
+        return render_template("reviews.html", profileResult = profile_user, isUser = isUser, avgStars=0)
 
 @application.route("/addreview/<usr>", methods = ["POST", "GET"])
 def addReview(usr):