Cleanup (#123)

* Remove unnecessary semicolons

* remove unused imports

* remove unncessary defined variable

Author: eyadsibai

datalab/mlalpha/_dataset.py

@@ -294,7 +294,7 @@ def _scatter3d_plot(self, names, x, y, z, color):
     iplot(fig)
 
   def _plot_x(self, names, x):
-    self._histogram(names, x);
+    self._histogram(names, x)
     if x != self._target_name:
       self._scatter_plot(names, x, self._target_name, self._target_name)
 

datalab/mlalpha/commands/_mlalpha.py

@@ -18,14 +18,13 @@
 
 
 import collections
-import datetime
 import fnmatch
 import google.cloud.ml
 import json
 import math
 import os
 import plotly.graph_objs as go
-from plotly.offline import init_notebook_mode, iplot
+from plotly.offline import iplot
 import urllib
 import yaml
 
@@ -255,7 +254,7 @@ def _train(args, cell):
         urllib.urlencode(log_url_query_strings)
     html += '<p>Click <a href="%s" target="_blank">here</a> to view cloud log. <br/>' % log_url
     html += 'Start TensorBoard by running "%tensorboard start --logdir=&lt;YourLogDir&gt;".</p>'
-    return IPython.core.display.HTML(html);
+    return IPython.core.display.HTML(html)
   else:
     # local training
     package_path = None

datalab/storage/_item.py

@@ -196,7 +196,6 @@ def read_lines(self, max_lines=None):
 
     max_to_read = self.metadata.size
     bytes_to_read = min(100 * max_lines, self.metadata.size)
-    lines = []
     while True:
       content = self.read_from(byte_count=bytes_to_read)