fix: indentation problems and imports

Author: mgxd

tests/test_regression.py

@@ -12,6 +12,7 @@
 
 import heudiconv
 from heudiconv.cli.run import main as runner
+# testing utilities
 from .utils import fetch_data, gen_heudiconv_args
 
 

tests/utils.py

@@ -1,36 +1,33 @@
 import hashlib
 import os.path as op
+import heudiconv
 
 def md5sum(filename):
     with open(filename, 'rb') as f:
         return hashlib.md5(f.read()).hexdigest()
 
 
 def gen_heudiconv_args(datadir, outdir, subject, heuristic_file, xargs=None):
-	heuristic = op.realpath(op.join(
-								op.dirname(heudiconv.__file__),
-					        	'..',
-			        			'heuristics',
-			        			heuristic_file))
-	args = ["-d", op.join(datadir, 'sourcedata/{subject}/*/*/*.tgz'),
-			"-c", "dcm2niix",
-			"-o", outdir,
-			"-s", subject,
+    heuristic = op.realpath(op.join(op.dirname(heudiconv.__file__),
+                                    '..',
+                                    'heuristics',
+                                    heuristic_file))
+    args = ["-d", op.join(datadir, 'sourcedata/{subject}/*/*/*.tgz'),
+            "-c", "dcm2niix",
+            "-o", outdir,
+            "-s", subject,
 			"-f", heuristic,
-			"--bids",
-			]
-	if xargs:
-		args += xargs
+			"--bids",]
+    if xargs:
+        args += xargs
 
-	return args
+    return args
 
 
 def fetch_data(tmpdir, subject):
-	"""Fetches some test dicoms using datalad"""
+    """Fetches some test dicoms using datalad"""
     from datalad import api
-
     targetdir = op.join(tmpdir, 'QA')
-	api.install(path=targetdir,
-				source='///dbic/QA')
-	api.get('{}/sourcedata/{}'.format(targetdir, subject))
-	return targetdir
+    api.install(path=targetdir, source='///dbic/QA')
+    api.get('{}/sourcedata/{}'.format(targetdir, subject))
+    return targetdir