minor fix

MyMarioAI.py

@@ -15,7 +15,7 @@
 #pip install imageio
 
 from mad_mario import *
-from IPython.display import clear_output
+#from IPython.display import clear_output
 import imageio
 
 
@@ -83,7 +83,7 @@ def train(is_eval = False, episodes = 1000):
         while True:
 
             if is_eval:
-                clear_output(wait=True)
+                #clear_output(wait=True)
                 img = env.render()
                 plt.imshow( img )
                 plt.show()