update for newer matplotlib syntax

Author: CharlotteAnne

iCount/__about__.py

@@ -8,7 +8,7 @@
 
 # Semantic versioning is used. For more information see:
 # https://packaging.python.org/en/latest/distributing/#semantic-versioning-preferred
-__version__ = '3.0.0'
+__version__ = '3.0.1'
 
 __author__ = 'Ule Group, The Francis Crick Institute, London'
 __email__ = 'jernej.ule@crick.ac.uk'

iCount/plotting/plot_metagene.py

@@ -149,7 +149,7 @@ def plot_metagene(fnames,
         ax.set_ylim((0, ylim))
     ax.set_ylabel('Score [CPM]')
     ax.set_title('Metagene')
-    ax.grid(b=True, which='major', axis='both')
+    ax.grid(visible=True, which='major', axis='both')
     ax.legend()
 
     if is_independent: