Fixed some deprecation warnings regarding Python 3.10

skued/eproperties.py

@@ -7,7 +7,7 @@
 
 def lorentz(keV):
     """
-    Relativistic factor :math:`\gamma`, defined as :math:`\gamma = \\frac{1}{\sqrt{1 - v^2/c^2}}`
+    Relativistic factor :math:`\\gamma`, defined as :math:`\\gamma = \\frac{1}{\\sqrt{1 - v^2/c^2}}`
 
     Parameters
     ----------
@@ -27,13 +27,13 @@ def lorentz(keV):
 
 def electron_wavelength(keV):
     """ 
-    Relativistic wavelength :math:`\lambda` of an accelerated electron.
+    Relativistic wavelength :math:`\\lambda` of an accelerated electron.
 
     .. math::
 
-        \lambda = \\frac{h}{\sqrt{2 m_e e V}}\gamma
+        \\lambda = \\frac{h}{\\sqrt{2 m_e e V}}\\gamma
     
-    where :math:`\gamma` is the relativistic Lorentz factor.
+    where :math:`\\gamma` is the relativistic Lorentz factor.
         
     Parameters
     ----------
@@ -64,7 +64,7 @@ def electron_velocity(keV):
 
     .. math::
 
-        \\frac{v_e}{c} = \sqrt{1 - \\frac{m_0 c^2}{m_0 c^2 + e V}}
+        \\frac{v_e}{c} = \\sqrt{1 - \\frac{m_0 c^2}{m_0 c^2 + e V}}
 
     Parameters
     ----------

skued/simulation/form_factors.py

@@ -35,7 +35,7 @@ def affe(atom, nG):
         Atomic number, atomic symbol, or Atom instance.
         Atomic symbols are expected to be properly capitalized, e.g. ``As`` or ``W``.
     nG : array_like
-        Scattering vector norm, in units of Angstroms:math:`^{-1}`. (:math:`|G| = 4 \pi s`). 
+        Scattering vector norm, in units of Angstroms:math:`^{-1}`. (:math:`|G| = 4 \\pi s`). 
     
     Returns
     -------

skued/simulation/structure_factors.py

@@ -2,7 +2,7 @@
 """
 Structure Factor calculation
 """
-from collections import Iterable
+from collections.abc import Iterable
 from functools import lru_cache
 from itertools import count, product, takewhile
 from math import sqrt