Applying black formatting

armi/materials/__init__.py

@@ -53,9 +53,9 @@ def setMaterialNamespaceOrder(order):
         :implements: R_ARMI_MAT_NAMESPACE
 
         An ARMI application will need materials. Materials can be imported from
-        any code the application has access to, like plugin packages. This leads to 
-        the situation where one ARMI application will want to import multiple 
-        collections of materials. To handle this, ARMI keeps a list of material 
+        any code the application has access to, like plugin packages. This leads to
+        the situation where one ARMI application will want to import multiple
+        collections of materials. To handle this, ARMI keeps a list of material
         namespaces. This is an ordered list of importable packages that ARMI
         can search for a particular material by name.
 
@@ -147,14 +147,14 @@ def resolveMaterialClassByName(name: str, namespaceOrder: List[str] = None):
         :implements: R_ARMI_MAT_ORDER
 
         During the runtime of an ARMI application, but particularly during the
-        construction of the reactor in memory, materials will be requested from the 
-        materials plugin by name. At that point, this code is called to search for that 
-        material name. The search goes through the ordered list of Python 
-        namespaces provided to search for the name. The first time an instance of 
-        that material is found, it is returned. In this way, the first items in the material 
+        construction of the reactor in memory, materials will be requested from the
+        materials plugin by name. At that point, this code is called to search for that
+        material name. The search goes through the ordered list of Python
+        namespaces provided to search for the name. The first time an instance of
+        that material is found, it is returned. In this way, the first items in the material
         namespace list take precedence.
-        
-        When a material name is passed to this function, it may be either a simple 
+
+        When a material name is passed to this function, it may be either a simple
         name like the string ``"UO2"`` or it may be much more specific, like
         ``armi.materials.uraniumOxide:UO2``.
 

armi/materials/material.py

@@ -745,7 +745,7 @@ def linearExpansion(self, Tk=None, Tc=None):
             :implements: R_ARMI_MAT_FLUID
 
             ARMI does not model thermal expansion of fluids. The ``Fluid`` superclass
-            therefore sets the thermal expansion coefficient to zero. All fluids 
+            therefore sets the thermal expansion coefficient to zero. All fluids
             subclassing  the ``Fluid`` material will inherit this method which sets the
             linear expansion coefficient to zero at all temperatures.
         """