Resolve pylon and pep8 errors

Author: ryansanford

reaper/dcm.py

@@ -1,7 +1,6 @@
 """SciTran Reaper DICOM utility functions"""
 
 import os
-import shutil
 import hashlib
 import logging
 import datetime

reaper/dicom_reaper.py

@@ -4,7 +4,6 @@
 import logging
 import datetime
 import re
-import zipfile
 
 from . import dcm
 from . import scu
@@ -89,30 +88,28 @@ def _custom_acq_uid(self, metadata_map):
         for filepath, metadata in metadata_map.iteritems():
             print(filepath)
             print(metadata)
-            dcm_dir = re.sub('\.zip$','',filepath)
+            dcm_dir = re.sub(r'\.zip$', '', filepath)
 
             unzipped_file = [os.path.join(dcm_dir, filename) for filename in os.listdir(dcm_dir)][0]
 
             formatted_string = self.uid_ext_command.format(unzipped_file)
             print(formatted_string)
 
-
             arg_list = formatted_string.split()
 
             p = Popen(arg_list,
-                       stdout=PIPE,
-                       stderr=STDOUT)
+                      stdout=PIPE,
+                      stderr=STDOUT)
             out, _ = p.communicate()
 
             if p.returncode and p.returncode != 0:
-                log.error('Error with command. Return code = {0}'.format(p.returncode))
+                log.error('Error with command. Return code = %d', p.returncode)
                 raise RuntimeError(out)
             print(out.rstrip())
             metadata['acquisition']['uid'] = out.rstrip()
             print(metadata)
 
 
-
 def update_arg_parser(ap):
     # pylint: disable=missing-docstring
     ap.add_argument('host', help='remote hostname or IP')
@@ -122,7 +119,10 @@ def update_arg_parser(ap):
     ap.add_argument('aec', help='remote AE title')
 
     ap.add_argument('-A', '--no-anonymize', dest='anonymize', action='store_false', help='do not anonymize patient name and birthdate')
-    ap.add_argument('--uid-ext-command', dest='uid_ext_command', help='Command to execute against single source file to generate acquisition uid', default=None)
+    ap.add_argument('--uid-ext-command',
+                    dest='uid_ext_command',
+                    help='Command to execute against single source file to generate acquisition uid',
+                    default=None)
 
     return ap