fix: updated auto test generator to use relative imports

Author: satra

tools/checkspecs.py

@@ -207,8 +207,9 @@ def test_specs(self, uri):
             if not os.path.exists(nonautotest):
                 with open(testfile, 'wt') as fp:
                     cmd = ['# AUTO-GENERATED by tools/checkspecs.py - DO NOT EDIT',
-                           'from nipype.testing import assert_equal',
-                           'from %s import %s' % (uri, c),
+                           'from %stesting import assert_equal' %
+                           ('.' * len(uri.split('.'))),
+                           'from ..%s import %s' % (uri.split('.')[-1], c),
                            '']
                     cmd.append('def test_%s_inputs():' % c)
                     input_fields = ''
@@ -229,8 +230,8 @@ def test_specs(self, uri):
                     cmd += ['    input_map = dict(%s)' % input_fields]
                     cmd += ['    inputs = %s.input_spec()' % c]
                     cmd += ["""
-    for key, metadata in input_map.items():
-        for metakey, value in metadata.items():
+    for key, metadata in list(input_map.items()):
+        for metakey, value in list(metadata.items()):
             yield assert_equal, getattr(inputs.traits()[key], metakey), value"""]
                     fp.writelines('\n'.join(cmd) + '\n\n')
             else:
@@ -273,8 +274,8 @@ def test_specs(self, uri):
                     cmd += ['    output_map = dict(%s)' % input_fields]
                     cmd += ['    outputs = %s.output_spec()' % c]
                     cmd += ["""
-    for key, metadata in output_map.items():
-        for metakey, value in metadata.items():
+    for key, metadata in list(output_map.items()):
+        for metakey, value in list(metadata.items()):
             yield assert_equal, getattr(outputs.traits()[key], metakey), value"""]
                     fp.writelines('\n'.join(cmd) + '\n\n')