Fixed exception formatting and import error

Author: pintohutch

nipype/pipeline/plugins/__init__.py

@@ -19,3 +19,4 @@
 from .slurmgraph import SLURMGraphPlugin
 
 from .callback_log import log_nodes_cb
+from . import  semaphore_singleton

nipype/pipeline/plugins/multiproc.py

@@ -17,7 +17,7 @@
 from ..engine import MapNode
 from ...utils.misc import str2bool
 from ... import logging
-import semaphore_singleton
+from nipype.pipeline.plugins import semaphore_singleton
 from .base import (DistributedPluginBase, report_crash)
 
 # Init logger

nipype/utils/draw_gantt_chart.py

@@ -23,7 +23,7 @@ def log_to_json(logfile):
             try:
                 y = json.loads(i)
                 l.append(y)
-            except Exception, e:
+            except Exception:
                 pass
 
         lines = l