修复部分画像字段为空导致的错误

requirements.txt

@@ -9,3 +9,4 @@ requests
 tornado==6.2
 
 scikit-learn
+requests

src/core/profile.py

@@ -217,7 +217,10 @@ class AidiCstBiasPriceProfile(BaseProfile):
         if pd.isnull(value):
             return ret
 
-        json_object = json.loads(value)
+        try:
+            json_object = json.loads(value)
+        except Exception:
+            return ret
 
         for v in json_object:
             try:
@@ -250,13 +253,16 @@ class MultiChoiceProfile(BaseProfile):
         if pd.isnull(value):
             return ret
 
-        value = json.loads(value)
+        try:
+            value = json.loads(value)
+        except Exception:
+            return ret
 
         for v in value:
             try:
                 i = self.option_dict[v]
                 ret[i] = 1
-            except Exception as e:
+            except Exception:
                 pass
         return ret