FIX: PEP8 - E714 test for object identity should be 'is not'

Author: miykael

nipype/algorithms/misc.py

@@ -1271,7 +1271,7 @@ def normalize_tpms(in_files, in_mask=None, out_files=[]):
     msk = np.ones_like(imgs[0].get_data())
     msk[weights <= 0] = 0
 
-    if not in_mask is None:
+    if in_mask is not None:
         msk = nib.load(in_mask).get_data()
         msk[msk <= 0] = 0
         msk[msk > 0] = 1

nipype/interfaces/ants/registration.py

@@ -157,7 +157,7 @@ def _transformation_constructor(self):
         retval = ['--transformation-model %s' % model]
         parameters = []
         for elem in (stepLength, timeStep, deltaTime, symmetryType):
-            if not elem is traits.Undefined:
+            if elem is not traits.Undefined:
                 parameters.append('%#.2g' % elem)
         if len(parameters) > 0:
             if len(parameters) > 1:

nipype/interfaces/dcmstack.py

@@ -63,7 +63,7 @@ def _get_out_path(self, meta, idx=None):
             # If no out_format is specified, use a sane default that will work
             # with the provided meta data.
             out_fmt = []
-            if not idx is None:
+            if idx is not None:
                 out_fmt.append('%03d' % idx)
             if 'SeriesNumber' in meta:
                 out_fmt.append('%(SeriesNumber)03d')

nipype/interfaces/elastix/utils.py

@@ -137,7 +137,7 @@ def _list_outputs(self):
 
     def _get_outfile(self):
         val = getattr(self, '_out_file')
-        if not val is None and not val == '':
+        if val is not None and val != '':
             return val
 
         if isdefined(self.inputs.output_file):

nipype/interfaces/fsl/utils.py

@@ -1933,7 +1933,7 @@ def _run_interface(self, runtime):
         runtime = super(WarpPoints, self)._run_interface(runtime)
         newpoints = np.fromstring('\n'.join(runtime.stdout.split('\n')[1:]), sep=' ')
 
-        if not tmpfile is None:
+        if tmpfile is not None:
             try:
                 os.remove(tmpfile.name)
             except:

nipype/interfaces/io.py

@@ -1100,7 +1100,7 @@ def _match_path(self, target_path):
                 return
         # Check if we can match the path
         match = self.match_regex.search(target_path)
-        if not match is None:
+        if match is not None:
             match_dict = match.groupdict()
             if self.result is None:
                 self.result = {'out_paths': []}

nipype/pipeline/plugins/dagman.py

@@ -127,7 +127,7 @@ def _submit_graph(self, pyfiles, dependencies, nodes):
                     basename=os.path.join(batch_dir, name),
                     override_specs=override_specs
                     )
-                if not wrapper_cmd is None:
+                if wrapper_cmd is not None:
                     specs['executable'] = wrapper_cmd
                     specs['nodescript'] = \
                         '%s %s %s' % (wrapper_args % specs,  # give access to variables

setup.py

@@ -172,7 +172,7 @@ def package_check(pkg_name, version=None,
        dependencies.  If dict fill key values ``install_requires`` and
        ``extras_require`` for non-optional and optional dependencies.
     '''
-    setuptools_mode = not setuptools_args is None
+    setuptools_mode = setuptools_args is not None
     optional_tf = bool(optional)
     if version_getter is None:
         def version_getter(pkg_name):

tools/gitwash_dumper.py

@@ -116,8 +116,8 @@ def make_link_targets(proj_name,
     .. _`proj_name` mailing list: url
     """
     link_contents = open(known_link_fname, 'rt').readlines()
-    have_url = not url is None
-    have_ml_url = not ml_url is None
+    have_url = url is not None
+    have_ml_url = ml_url is not None
     have_gh_url = None
     for line in link_contents:
         if not have_url:
@@ -136,12 +136,12 @@ def make_link_targets(proj_name,
         raise RuntimeError('Need command line or known project '
                            'and / or mailing list URLs')
     lines = []
-    if not url is None:
+    if url is not None:
         lines.append('.. _%s: %s\n' % (proj_name, url))
     if not have_gh_url:
         gh_url = 'http://github.com/%s/%s\n' % (user_name, repo_name)
         lines.append('.. _`%s github`: %s\n' % (proj_name, gh_url))
-    if not ml_url is None:
+    if ml_url is not None:
         lines.append('.. _`%s mailing list`: %s\n' % (proj_name, ml_url))
     if len(lines) == 0:
         # Nothing to do