fix line length

Author: valentinsulzer

pybamm/meshes/one_dimensional_submeshes.py

@@ -92,7 +92,6 @@ class Uniform1DSubMesh(SubMesh1D):
     """
 
     def __init__(self, lims, npts):
-
         spatial_var, spatial_lims, tabs = self.read_lims(lims)
         npts = npts[spatial_var.name]
 
@@ -112,22 +111,25 @@ class Exponential1DSubMesh(SubMesh1D):
     If side is "left", the gridpoints are given by
 
     .. math::
-        x_{k} = (b-a) + \\frac{\mathrm{e}^{\\alpha k / N} - 1}{\mathrm{e}^{\\alpha} - 1} + a,
+        x_{k} = (b-a) +
+        \\frac{\mathrm{e}^{\\alpha k / N} - 1}{\mathrm{e}^{\\alpha} - 1} + a,
 
     for k = 1, ..., N, where N is the number of nodes.
 
     Is side is "right", the gridpoints are given by
 
     .. math::
-        x_{k} = (b-a) + \\frac{\mathrm{e}^{-\\alpha k / N} - 1}{\mathrm{e}^{-\\alpha} - 1} + a,
+        x_{k} = (b-a) +
+        \\frac{\mathrm{e}^{-\\alpha k / N} - 1}{\mathrm{e}^{-\\alpha} - 1} + a,
 
     for k = 1, ..., N.
 
     If side is "symmetric", the first half of the interval is meshed using the
     gridpoints
 
     .. math::
-        x_{k} = (b/2-a) + \\frac{\mathrm{e}^{\\alpha k / N} - 1}{\mathrm{e}^{\\alpha} - 1} + a,
+        x_{k} = (b/2-a) +
+        \\frac{\mathrm{e}^{\\alpha k / N} - 1}{\mathrm{e}^{\\alpha} - 1} + a,
 
     for k = 1, ..., N. The grid spacing is then reflected to contruct the grid
     on the full interval [a,b].
@@ -156,7 +158,6 @@ class Exponential1DSubMesh(SubMesh1D):
     """
 
     def __init__(self, lims, npts, side="symmetric", stretch=None):
-
         spatial_var, spatial_lims, tabs = self.read_lims(lims)
         a = spatial_lims["min"]
         b = spatial_lims["max"]
@@ -236,7 +237,6 @@ class Chebyshev1DSubMesh(SubMesh1D):
     """
 
     def __init__(self, lims, npts, tabs=None):
-
         spatial_var, spatial_lims, tabs = self.read_lims(lims)
         npts = npts[spatial_var.name]
 
@@ -275,7 +275,6 @@ class UserSupplied1DSubMesh(SubMesh1D):
     """
 
     def __init__(self, lims, npts, edges=None):
-
         # raise error if no edges passed
         if edges is None:
             raise pybamm.GeometryError("User mesh requires parameter 'edges'")
@@ -340,7 +339,6 @@ class SpectralVolume1DSubMesh(SubMesh1D):
     """
 
     def __init__(self, lims, npts, edges=None, order=2):
-
         spatial_var, spatial_lims, tabs = self.read_lims(lims)
         npts = npts[spatial_var.name]