Fix docstring section underlines

Author: michaelosthege

pymc3/distributions/continuous.py

@@ -318,7 +318,7 @@ def random(self, point=None, size=None):
         size: int, optional
 
         Raises
-        -------
+        ------
         ValueError
         """
         raise ValueError("Cannot sample from Flat distribution")
@@ -375,7 +375,7 @@ def random(self, point=None, size=None):
         size: int, optional
 
         Raises
-        -------
+        ------
         ValueError
         """
         raise ValueError("Cannot sample from HalfFlat distribution")
@@ -1710,7 +1710,7 @@ class AsymmetricLaplace(Continuous):
         Location parameter
 
     See Also:
-    --------
+    ---------
     `Reference <https://en.wikipedia.org/wiki/Asymmetric_Laplace_distribution>`_
     """
 

pymc3/distributions/timeseries.py

@@ -484,7 +484,7 @@ def random(self, point=None, size=None):
 
 
         Examples
-        -------
+        --------
         .. code-block:: python
 
             with pm.Model():

pymc3/distributions/transforms.py

@@ -64,7 +64,7 @@ def forward(self, x):
             Input tensor to be transformed.
 
         Returns
-        --------
+        -------
         tensor
             Transformed tensor.
         """
@@ -82,7 +82,7 @@ def forward_val(self, x, point):
             Test value used to draw (fix) bounds-like transformations
 
         Returns
-        --------
+        -------
         array_like
             Transformed array.
         """