add V0... back hopefully.

Author: mcDandy

more_math/StringMathNode.py

@@ -82,6 +82,8 @@ def execute(cls, V, F, Expression, batching=0, remember_stack=False, stack={}):
 
         for k, val in F.items():
             variables[k] = val if val is not None else 0.0
+        for k, val in V.items():
+            variables[k] = val if val is not None else ""
 
         tree = None
         if isinstance(Expression,str):