fix issues with Path/HasPath in IFCs

src/ifc.py

@@ -83,7 +83,7 @@ class IFC(common.HasPaths):
         optional=True, help='select traces to be treated by this IFC')
 
     def __init__(self, *args, **kwargs):
-        Object.__init__(self, *args, **kwargs)
+        common.HasPaths.__init__(self, *args, **kwargs)
         self.shifter.t_tolerance = 1./(self.fmax * 2.)
 
     def setup(self, config):
@@ -319,10 +319,10 @@ class OnsetIFC(IFC):
 
 class TemplateMatchingIFC(IFC):
 
-    template_event_path = String.T(
+    template_event_path = common.Path.T(
         help='Event parameters of the template')
 
-    template_markers_path = String.T(
+    template_markers_path = common.Path.T(
         optional=True,
         help='File with markers defining the template')
 
@@ -468,7 +468,7 @@ class ManualPickIFC(IFC):
     '''
 
     fsmooth = Float.T(default=0.1)
-    picks_path = String.T()
+    picks_path = common.Path.T()
     picks_phasename = String.T()
 
     def __init__(self, *args, **kwargs):