From f227fb93822d202c184445014c6861bbec088ef7 Mon Sep 17 00:00:00 2001
From: Eirik Keilegavlen <Eirik.Keilegavlen@uib.no>
Date: Fri, 10 May 2019 12:13:49 +0200
Subject: [PATCH] Formating and black

---
 src/porepy/numerics/mixed_dim/assembler.py | 10 +++++-----
 test/unit/test_assembler.py                |  6 +++---
 test/unit/test_darcy_mortar.py             |  5 +++--
 3 files changed, 11 insertions(+), 10 deletions(-)

diff --git a/src/porepy/numerics/mixed_dim/assembler.py b/src/porepy/numerics/mixed_dim/assembler.py
index 4336f8959..adccb4d6b 100644
--- a/src/porepy/numerics/mixed_dim/assembler.py
+++ b/src/porepy/numerics/mixed_dim/assembler.py
@@ -37,11 +37,11 @@ def __init__(self, gb, active_variables=None):
                 accordingly.
                 NOTE: For edge coupling terms where the edge variable is defined
                 as active, all involved node variables must also be active.
-                
+
         Raises:
             ValueError: If an edge_coupling is defined with an active edge variable
                  but with an inactive node variable.
-                
+
         """
         self.gb = gb
 
@@ -751,15 +751,15 @@ def _local_variables(self, d):
 
     def _is_active_variable(self, key):
         """ Check if a key denotes an active variable
-        
+
         Parameters:
             key (str): Variable identifier.
             active_variables (list of str, or str): Active variables.
-            
+
         Returns:
             boolean: True if key is in active_variables, or active_variables
                 is None.
-        
+
         """
         if self.active_variables is None:
             return True
diff --git a/test/unit/test_assembler.py b/test/unit/test_assembler.py
index 88c000237..34106adf2 100644
--- a/test/unit/test_assembler.py
+++ b/test/unit/test_assembler.py
@@ -220,7 +220,7 @@ def test_single_variable_not_active(self):
     def test_explicitly_define_edge_variable_active(self):
         """ Explicitly define edge and node variables as active. The result should
         be the same as if no active variable was defined.
-        
+
         """
 
         gb = self.define_gb()
@@ -263,7 +263,7 @@ def test_explicitly_define_edge_variable_active(self):
     def test_define_edge_variable_inactive(self):
         """ Define edge-variable as inactive. The resulting system should have
         no coupling term.
-        
+
         """
 
         gb = self.define_gb()
@@ -304,7 +304,7 @@ def test_define_edge_variable_inactive(self):
     def test_define_edge_variable_active_node_variable_inactive(self):
         """ Define edge-variable as inactive. The resulting system should have
         no coupling term.
-        
+
         """
 
         gb = self.define_gb()
diff --git a/test/unit/test_darcy_mortar.py b/test/unit/test_darcy_mortar.py
index d8e519c1f..178199a37 100644
--- a/test/unit/test_darcy_mortar.py
+++ b/test/unit/test_darcy_mortar.py
@@ -1202,7 +1202,7 @@ def run_mpfa(self, gb):
         key = "flow"
         method = pp.Mpfa(key)
         self._solve(gb, method, key)
-            
+
     def run_vem(self, gb):
         key = "flow"
         method = pp.MVEM(key)
@@ -1294,5 +1294,6 @@ def test_RT0_refined_1d(self):
         self.run_RT0(gb)
         self.verify_cv(gb)
 
+
 if __name__ == "__main__":
-    unittest.main()
\ No newline at end of file
+    unittest.main()