fix pep8 problems

Author: hbraunDSP

nibabel/nicom/csareader.py

@@ -100,7 +100,8 @@ def read(csa_str):
     csa_dict['n_tags'], csa_dict['check'] = up_str.unpack('2I')
     if not 0 < csa_dict['n_tags'] <= MAX_CSA_ITEMS:
         raise CSAReadError('Number of tags `t` should be '
-                           '0 < t <= %d. Instead found %d tags.' % (MAX_CSA_ITEMS, csa_dict['n_tags']))
+                           '0 < t <= %d. Instead found %d tags.' 
+                           % (MAX_CSA_ITEMS, csa_dict['n_tags']))
     for tag_no in range(csa_dict['n_tags']):
         name, vm, vr, syngodt, n_items, last3 = \
             up_str.unpack('64si4s3i')

nibabel/nicom/dicomwrappers.py

@@ -84,7 +84,7 @@ def wrapper_from_data(dcm_data):
         csa = csar.get_csa_header(dcm_data)
     except csar.CSAReadError as e:
         warnings.warn('Error while attempting to read CSA header: ' +
-                      str(e.args) + 
+                      str(e.args) +
                       '\n Ignoring Siemens private (CSA) header info.')
         csa = None
     if csa is None: