added default comment for formula

7954719f · Dr.李 · 6eccbae8 · 7954719f
Commit 7954719f authored Dec 03, 2017 by Dr.李
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sqlengine.py alphamind/data/engines/sqlengine.py +2 -1

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--- a/alphamind/data/engines/sqlengine.py
+++ b/alphamind/data/engines/sqlengine.py
@@ -717,7 +717,8 @@ class SqlEngine(object):
        del model_df['model_desc']
        return model_df
-    def insert_formula(self, formula_name, formula_obj, comment=None):
+    def insert_formula(self, formula_name, formula_obj):
+        comment = str(formula_obj)
        dict_repr = encode_formula(formula=formula_obj)
        query = delete(Formulas).where(