new suggestion on MyFig.update().

MyAxes.update() allows to write the MyFig.update() shorter and clearer. I vote to make use of that.

myFig.py

@@ -135,24 +135,16 @@ class MyFig(Figure):
             elif keyword in self._attributesToUpdateKeys:
                 # update value
                 setattr(self, keyword, kwargs[keyword])
-        
-        # For each axes update the keywords
-        for ax in self.get_axes():
-            
-            axkwargs = kwargs.copy()  # make a copy of kwargs for this axes
             
-            # Check if a key of kwargs has an alias for this axes
-            for axk in axkwargs.keys():
-                if axk in self.aliases.keys():
-                    alax, alkey = self.aliases[axk]
-                    
-                    # If an alias is found then update axkwargs
-                    if ax == alax:
-                        axkwargs.update({alkey: kwargs[axk]})
-            
-            # When eventual alias are added then update
-            ax.update(**axkwargs)
-        
+            elif keyword in self.aliases.keys():
+                # if it is a alias update only the coresponding axes 
+                alax, alkey = self.aliases[keyword]
+                alax.update(**{alkey : kwargs[keyword]})
+            else :
+                # otherwise update all axes with keyword (not matching keywords are ignored by axes)
+                for ax in self.get_axes():
+                    ax.update(**{keyword : kwargs[keyword]})
+                        
         return(True)
     
     # DECLARE ALIASES -------------------------------------------------