Fix: subtree render for tex

mapytex/calculus/API/tokens/token.py

@@ -62,7 +62,14 @@ class Token(object):
         return f"<{self.__class__.__name__} {self.__txt__}>"
 
     def __str__(self):
-        return renders[self.RENDER](self._mo)
+        if self.RENDER == "tex":
+            return self.__tex__
+        elif self.RENDER == "txt":
+            return self.__txt__
+        else:
+            raise ValueError(f"Unknow render {self.RENDER}")
+
+        #return renders[self.RENDER](self._mo)
 
     @property
     def __txt__(self):

mapytex/calculus/core/renders/tree2tex.py

@@ -196,7 +196,7 @@ def render_with_parenthesis(subtree, operator):
                 subtree_need_parenthesis = True
         except (AttributeError, KeyError):
             pass
-        subtree_ = subtree.__txt__
+        subtree_ = subtree.__tex__
     else:
         if OPERATORS[subtree.node]["precedence"] < OPERATORS[operator]["precedence"]:
             subtree_need_parenthesis = True