[plotter] perso rcParams is now contextualized within the Plotter

plotter.py

@@ -173,10 +173,6 @@ class Plotter(Aggregator, BaseProcessor):
         # Define rules
         self.def_rules()
 
-        # Load rcParams
-        if self.params.rcParams is not None:
-            plt.rcParams.update(params.rcParams)
-
         # Generate astrophysix's simulations object
         self.gen_simus()
 
@@ -269,7 +265,7 @@ class Plotter(Aggregator, BaseProcessor):
         """
         Open storage and figure if needed before processing a rule
         """
-
+        with plt.rc_context(self.params.rcParams):
             # Set full name according to argument
             if arg is not None:
                 name_full = (