DC inversion working again. Almost in the new framework..!

SimPEG/Utils/ModelBuilder.py

@@ -196,7 +196,7 @@ def randomModel(shape, seed=None, anisotropy=None, its=100, bounds=[0,1]):
 
 if __name__ == '__main__':
 
-    from SimPEG.mesh import TensorMesh
+    from SimPEG.Mesh import TensorMesh
     from matplotlib import pyplot as plt
 
     # Define the mesh

SimPEG/Utils/__init__.py

@@ -7,6 +7,7 @@ from ipythonutils import easyAnimate as animate
 from Solver import Solver
 import Save
 import Geophysics
+import ModelBuilder
 
 import types
 import time