RF: Allow passing log=None

fsl/data/image.py

@@ -1002,7 +1002,7 @@ class Image(Nifti):
 
         :arg image:      A string containing the name of an image file to load,
                          or a :mod:`numpy` array, or a :mod:`nibabel` image
-                         object.
+                         object, or an ``Image``object.
 
         :arg name:       A name for the image.
 

fsl/utils/run.py

@@ -180,13 +180,17 @@ def run(*args, **kwargs):
     returnStderr   = kwargs.pop('stderr',   False)
     returnExitcode = kwargs.pop('exitcode', False)
     submit         = kwargs.pop('submit',   {})
-    log            = kwargs.pop('log',      {})
-    tee            = log   .get('tee',      False)
-    logStdout      = log   .get('stdout',   None)
-    logStderr      = log   .get('stderr',   None)
-    logCmd         = log   .get('cmd',      None)
+    log            = kwargs.pop('log',      None)
     args           = prepareArgs(args)
 
+    if log is None:
+        log = {}
+
+    tee       = log.get('tee',    False)
+    logStdout = log.get('stdout', None)
+    logStderr = log.get('stderr', None)
+    logCmd    = log.get('cmd',    None)
+
     if not bool(submit):
         submit = None