attempt to resolve name conflict for internal io module

mg/main/__init__.py

@@ -1,6 +1,6 @@
 import sys
 
-from mg.io      import print
+from mg.mgio    import print
 from mg.options import get_options
 from mg.graph   import KnowledgeGraph
 from mg.data    import Database, Log, load_graph

mg/main/checkup.py

@@ -1,4 +1,4 @@
-from mg.io import print, input
+from mg.mgio import print, input
 
 def run_checkup(graph, db, log, options):
     loaded_keys = set(graph.keys)

mg/main/drill.py

@@ -1,6 +1,6 @@
 import random
 
-from mg.io import print, input
+from mg.mgio import print, input
 
 def run_drill(graph, options, review=False):
     # decide which cards to drill

mg/main/info.py

@@ -1,4 +1,4 @@
-from mg.io import print, input
+from mg.mgio import print, input
 from mg.plot import print_bars
 from mg.color import colormap_red_green as color, to_hex
 

mg/main/learn.py

@@ -1,6 +1,6 @@
 import random
 
-from mg.io import print, input
+from mg.mgio import print, input
 
 
 def run_learn(graph, options):

mg/main/status.py

@@ -1,4 +1,4 @@
-from mg.io import print, input
+from mg.mgio import print, input
 from mg.plot import print_hist
 from mg.color import colormap_red_green as color, to_hex
 

mg/plot.py

@@ -1,6 +1,6 @@
 import itertools
 
-from mg.io import print
+from mg.mgio import print
 from mg.color import colormap_red_green, to_hex