PEP8 compliance for ENH pandas-dev#25436

Author: jeschwar

pandas/io/formats/latex.py

@@ -129,7 +129,8 @@ def pad_empties(x):
                 if self.label is None:
                     label_ = ''
                     warnings.warn('no LaTeX label has been provided; '
-                                  'referencing with \\ref{} will not be available')
+                                  'referencing with \\ref{} will not'
+                                  'be available')
                 else:
                     label_ = '\n\\label{{{}}}'.format(self.label)
 
@@ -155,7 +156,8 @@ def pad_empties(x):
 
                 if self.label is None:
                     warnings.warn('no LaTeX label has been provided; '
-                                  'referencing with \\ref{} will not be available')
+                                  'referencing with \\ref{} will not'
+                                  'be available')
                 else:
                     buf.write('\\label{{{}}}'.format(self.label))