Index: wflow-py/Sandbox/wflow_HRU_test.py
===================================================================
diff -u -r0040bd54b0f7000f114e1bd023e2a508b5d1a4ba -r3d36073f779f6d9a5a34f6304d8e901b65061154
--- wflow-py/Sandbox/wflow_HRU_test.py	(.../wflow_HRU_test.py)	(revision 0040bd54b0f7000f114e1bd023e2a508b5d1a4ba)
+++ wflow-py/Sandbox/wflow_HRU_test.py	(.../wflow_HRU_test.py)	(revision 3d36073f779f6d9a5a34f6304d8e901b65061154)
@@ -37,7 +37,8 @@
 
 def usage(*args):
     sys.stdout = sys.stderr
-    for msg in args: print(msg)
+    for msg in args:
+        print(msg)
     print(__doc__)
     sys.exit(0)
 
@@ -232,17 +233,27 @@
         HRU 1
         """
         print("HRU 1")
-        self.TSoil[name] = self.TSoil + 0.1125 * (self.Temperature - self.TSoil) * self.timestepsecs/self.basetimestep
+        self.TSoil[name] = (
+            self.TSoil
+            + 0.1125
+            * (self.Temperature - self.TSoil)
+            * self.timestepsecs
+            / self.basetimestep
+        )
 
-
-    def unit2(self,name):
+    def unit2(self, name):
         """
         HRU 2
         """
         print("HRU 2")
-        self.TSoil[name] = self.TSoil + 0.1125 * (self.Temperature - self.TSoil) * self.timestepsecs/self.basetimestep
+        self.TSoil[name] = (
+            self.TSoil
+            + 0.1125
+            * (self.Temperature - self.TSoil)
+            * self.timestepsecs
+            / self.basetimestep
+        )
 
-
     def dynamic(self):
         """
         *Required*