Primarily: fixed the gmsh module to use integer indices

also did some pep8/pyflakes cleanup

interp/baker/__init__.py

@@ -142,10 +142,10 @@ def interpolate(X, R, R_q, S=None, S_q=None, order=2):
         order - order of interpolation - 1
     """
 
-    qlin=None
-    error_term=None
-    final=None
-    abc={}
+    qlin = None
+    error_term = None
+    final = None
+    abc = {}
 
     # calculate values only for the simplex triangle
     phi, qlin = qlinear(X, R, R_q)
@@ -161,10 +161,9 @@ def interpolate(X, R, R_q, S=None, S_q=None, order=2):
                 raise np.linalg.LinAlgError("Pathological Vertex Config")
         else:
             final = qlin + error_term
-    elif order not in xrange(2,11):
+    elif order not in xrange(2, 11):
         raise Exception('unsupported order "%d" for baker method' % order)
 
-
     return Answer(qlin=qlin, error=error_term, final=final, abc=abc)