Resolve "REFAC: Map Plot for more subsets"

Closes #227 (closed)

mlair/plotting/postprocessing_plotting.py

@@ -98,8 +98,7 @@ class AbstractPlotClass:
         """Abstract plot class needs to be implemented in inheritance."""
         raise NotImplementedError
 
-    def
-        (self, ** kwargs):
+    def _save(self, **kwargs):
         """Store plot locally. Name of and path to plot need to be set on initialisation."""
         plot_name = os.path.join(self.plot_folder, f"{self.plot_name}.pdf")
         logging.debug(f"... save plot to {plot_name}")