fix indentation

handler.py

@@ -396,12 +396,12 @@ def run_math_density(transcript, uptake_speaker=None):
         print("math terms: ", match_list)
         utt.num_math_terms = num_matches
         utt.math_terms = match_list
-        dict_list = []
-        for word in math_word_cloud.keys():
-            dict_list.append(
-                {'text': word, 'value': math_word_cloud[word][0], 'category': math_word_cloud[word][1]})
-        sorted_dict_list = sorted(dict_list, key=lambda x: x['value'], reverse=True)
-        return sorted_dict_list[:50]
+    dict_list = []
+    for word in math_word_cloud.keys():
+        dict_list.append(
+            {'text': word, 'value': math_word_cloud[word][0], 'category': math_word_cloud[word][1]})
+    sorted_dict_list = sorted(dict_list, key=lambda x: x['value'], reverse=True)
+    return sorted_dict_list[:50]
 
 class EndpointHandler():
     def __init__(self, path="."):