Merge pull request #1298 from oesteban/fix/CheckInputsLoggingHashDiff

[FIX] Add list check and conversion to dict

Author: satra

CHANGES

@@ -1,6 +1,7 @@
 Next release
 ============
 
+* FIX: Minor bugfix logging hash differences (https://github.com/nipy/nipype/pull/1298)
 * FIX: Use released Prov python library (https://github.com/nipy/nipype/pull/1279)
 * ENH: Support for Python 3 (https://github.com/nipy/nipype/pull/1221)
 * FIX: VTK version check missing when using tvtk (https://github.com/nipy/nipype/pull/1219)

nipype/utils/logger.py

@@ -87,6 +87,13 @@ def logdebug_dict_differences(self, dold, dnew, prefix=""):
 
         typical use -- log difference for hashed_inputs
         """
+        # First check inputs, since they usually are lists of tuples
+        # and dicts are required.
+        if isinstance(dnew, list):
+            dnew = dict(dnew)
+        if isinstance(dold, list):
+            dold = dict(dold)
+
         # Compare against hashed_inputs
         # Keys: should rarely differ
         new_keys = set(dnew.keys())