--- a/icqsol_utils.py	Fri Dec 04 09:23:48 2015 -0500
+++ b/icqsol_utils.py	Fri Dec 04 09:23:56 2015 -0500
@@ -2,58 +2,65 @@
 import sys
 import tempfile
 
-POLYDATA='POLYDATA'
+POLYDATA = 'POLYDATA'
+
 
-def asbool( val ):
-    return str( val ).lower() in [ 'yes', 'true' ]
+def asbool(val):
+    return str(val).lower() in ['yes', 'true']
 
-def get_format_and_type( galaxy_ext ):
+
+def get_format_and_type(galaxy_ext):
     # Define the output file format and type.
     format = None
     datatype = None
-    if galaxy_ext in [ 'vtkascii', 'vtkbinary' ]:
+    if galaxy_ext in ['vtkascii', 'vtkbinary']:
         format = 'vtk'
-    elif galaxy_ext in [ 'plyascii', 'plybinary' ]:
+    elif galaxy_ext in ['plyascii', 'plybinary']:
         format = 'ply'
-    if galaxy_ext in [ 'vtkascii', 'plyascii' ]:
+    if galaxy_ext in ['vtkascii', 'plyascii']:
         datatype = 'ascii'
-    elif galaxy_ext in [ 'vtkbinary', 'plybinary' ]:
+    elif galaxy_ext in ['vtkbinary', 'plybinary']:
         datatype = 'binary'
     return format, datatype
 
-def get_input_file_path( tmp_dir, input_file, format ):
+
+def get_input_file_path(tmp_dir, input_file, format):
     """
     iCqSol uses file extensions (e.g., .ply, .vtk) when reading and
     writing files, so the Galaxy dataset naming convention of
     setting all file extensions as .dat must be handled.
     """
-    file_path = get_temporary_file_path( tmp_dir, format )
+    file_path = get_temporary_file_path(tmp_dir, format)
     # Remove the file so we can create a symlink.
-    os.remove( file_path )
-    os.symlink( input_file, file_path )
+    os.remove(file_path)
+    os.symlink(input_file, file_path)
     return file_path
 
-def get_temp_dir( prefix='tmp-vtk-', dir=None ):
+
+def get_temp_dir(prefix='tmp-vtk-', dir=None):
     """
     Return a temporary directory.
     """
-    return tempfile.mkdtemp( prefix=prefix, dir=dir )
+    return tempfile.mkdtemp(prefix=prefix, dir=dir)
 
-def get_tempfilename( dir=None, suffix=None ):
+
+def get_tempfilename(dir=None, suffix=None):
     """
     Return a temporary file name.
     """
-    fd, name = tempfile.mkstemp( suffix=suffix, dir=dir )
-    os.close( fd )
+    fd, name = tempfile.mkstemp(suffix=suffix, dir=dir)
+    os.close(fd)
     return name
 
-def get_temporary_file_path( tmp_dir, file_extension ):
+
+def get_temporary_file_path(tmp_dir, file_extension):
     """
     Return the path to a temporary file with a valid VTK format
     file extension.
     """
-    return get_tempfilename( tmp_dir, file_extension )
+    return get_tempfilename(tmp_dir, file_extension)
+
 
-def stop_err( msg ):
-    sys.stderr.write( "%s\n" % msg )
+def stop_err(msg):
+    sys.stderr.write("%s\n" % msg)
     sys.exit()