clean up the html build

docs/api_Utils.rst

@@ -21,7 +21,7 @@ Solver Utilities
     :undoc-members:
 
 Curv Utilities
-=============
+==============
 
 .. automodule:: SimPEG.Utils.curvutils
     :members:
@@ -51,7 +51,9 @@ Interpolation Utilities
 Counter Utilities
 =================
 
-::
+.. code-block:: python
+    :linenos:
+
     class MyClass(object):
         def __init__(self, url):
             self.counter = Counter()
@@ -68,8 +70,9 @@ Counter Utilities
     for i in range(100): c.MyMethod()
     for i in range(300): c.MySecondMethod()
     c.counter.summary()
+    
 
-::
+.. code-block:: none
 
     Counters:
       MyClass.MyMethod                        :      100
@@ -77,6 +80,8 @@ Counter Utilities
     Times:                                        mean      sum
       MyClass.MySecondMethod                  : 1.70e-06, 5.10e-04,  300x
 
+
+
 The API
 -------