py3: fix some simple incompapilities

issue 0000995

src/Mod/Path/PathScripts/PathKurveUtils.py

@@ -146,7 +146,7 @@ def profile(curve, side_of_line, radius=1.0, vertfeed=0.0, horizfeed=0.0, offset
     print("in profile: 151")
     offset_curve = area.Curve(curve)
     if offset_curve.getNumVertices() <= 1:
-        raise Exception, "Sketch has no elements!"
+        raise Exception("Sketch has no elements!")
     if side_of_line == "On":
         use_CRC = False
 

src/Mod/Path/PathScripts/phillips_post.py

@@ -324,7 +324,7 @@ def export(selection, filename, argstring):
 
     gobjects = []
     for g in selection[0].Group:
-        if g.Name <> 'Machine':  # filtering out gcode home position from Machine object
+        if g.Name != 'Machine':  # filtering out gcode home position from Machine object
             gobjects.append(g)
 
     for obj in gobjects: