Remove spaces at end-of-line from Python files
@@ -547,7 +547,7 @@ class GaussianSpatialModel(SpatialModel):
Parameters
----------
x_sigma : float
- Number of :math:`\sigma`
+ Number of :math:`\sigma
Default is :math:`1.5\sigma` which corresponds to about 68%
containment for a 2D symmetric Gaussian.
