Fix undesired UX behavior of DataFrame output in IPython Notebook pandas-dev#10231

Author: danieljl

doc/source/whatsnew/v0.16.2.txt

@@ -25,6 +25,8 @@ New features
 Other enhancements
 ^^^^^^^^^^^^^^^^^^
 
+- Fix undesired UX behavior of DataFrame output in IPython Notebook. (:issue:`10231`)
+
 .. _whatsnew_0162.api:
 
 Backwards incompatible API changes

pandas/core/frame.py

@@ -538,8 +538,7 @@ def _repr_html_(self):
             max_cols = get_option("display.max_columns")
             show_dimensions = get_option("display.show_dimensions")
 
-            return ('<div style="max-height:1000px;'
-                    'max-width:1500px;overflow:auto;">\n' +
+            return ('<div>\n' +
                     self.to_html(max_rows=max_rows, max_cols=max_cols,
                                  show_dimensions=show_dimensions) + '\n</div>')
         else:

pandas/tests/test_format.py

@@ -892,7 +892,7 @@ def test_to_html_truncate(self):
         fmt.set_option('display.max_columns',4)
         result = df._repr_html_()
         expected = '''\
-<div style="max-height:1000px;max-width:1500px;overflow:auto;">
+<div>
 <table border="1" class="dataframe">
   <thead>
     <tr style="text-align: right;">
@@ -993,7 +993,7 @@ def test_to_html_truncate_multi_index(self):
         fmt.set_option('display.max_columns',7)
         result = df._repr_html_()
         expected = '''\
-<div style="max-height:1000px;max-width:1500px;overflow:auto;">
+<div>
 <table border="1" class="dataframe">
   <thead>
     <tr>
@@ -1110,7 +1110,7 @@ def test_to_html_truncate_multi_index_sparse_off(self):
         fmt.set_option('display.multi_sparse',False)
         result = df._repr_html_()
         expected = '''\
-<div style="max-height:1000px;max-width:1500px;overflow:auto;">
+<div>
 <table border="1" class="dataframe">
   <thead>
     <tr>