From 30b536b8e893646475c717c7d597b3652e72e64d Mon Sep 17 00:00:00 2001
From: Bernd Hahnebach <bernd@bimstatik.org>
Date: Thu, 5 Sep 2019 07:55:13 +0200
Subject: [PATCH] FEM: solver elmer, use single quotes instead of double ones

---
 src/Mod/Fem/femsolver/elmer/equations/electrostatic.py | 4 ++--
 src/Mod/Fem/femsolver/elmer/equations/fluxsolver.py    | 8 ++++----
 src/Mod/Fem/femsolver/elmer/writer.py                  | 4 ++--
 3 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/src/Mod/Fem/femsolver/elmer/equations/electrostatic.py b/src/Mod/Fem/femsolver/elmer/equations/electrostatic.py
index a45c562b02f0..6828ca5a69c7 100644
--- a/src/Mod/Fem/femsolver/elmer/equations/electrostatic.py
+++ b/src/Mod/Fem/femsolver/elmer/equations/electrostatic.py
@@ -54,14 +54,14 @@ def __init__(self, obj):
         obj.addProperty(
             "App::PropertyBool", "CalculateSurfaceCharge",
             "Electrostatic", "Select type of solver for linear system")
-        '''
+        """
         #obj.addProperty(
             #"App::PropertyBool", "CalculateCapacitanceMatrix",
             #"Electrostatic", "Select type of solver for linear system")
         #obj.addProperty(
             #"App::PropertyInteger", "CapacitanceBodies",
             #"Electrostatic", "Select type of solver for linear system")
-        '''
+        """
 
         obj.Priority = 10
 
diff --git a/src/Mod/Fem/femsolver/elmer/equations/fluxsolver.py b/src/Mod/Fem/femsolver/elmer/equations/fluxsolver.py
index 3999a38e857b..ed6c59440dbb 100644
--- a/src/Mod/Fem/femsolver/elmer/equations/fluxsolver.py
+++ b/src/Mod/Fem/femsolver/elmer/equations/fluxsolver.py
@@ -48,18 +48,18 @@ def __init__(self, obj):
         obj.addProperty(
             "App::PropertyString", "FluxVariable",
             "Fluxsolver", "Insert variable name for flux calculation")
-        '''
+        """
         #obj.addProperty(
             #"App::PropertyBool", "CalculateFluxAbs",
             #"Fluxsolver", "Select calculation of abs of flux")
         #obj.addProperty(
             #"App::PropertyBool", "CalculateFluxMagnitude",
             #"Fluxsolver", "Select calculation of magnitude of flux")
-        '''
+        """
         obj.addProperty(
             "App::PropertyBool", "CalculateGrad",
             "Fluxsolver", "Select  calculation of gradient")
-        '''
+        """
         #obj.addProperty(
             #"App::PropertyBool", "CalculateGradAbs",
             #"Fluxsolver", "Select calculation of abs of gradient")
@@ -69,7 +69,7 @@ def __init__(self, obj):
         #obj.addProperty(
             #"App::PropertyBool", "EnforcePositiveMagnitude",
             #"Fluxsolver", "Select calculation of positive magnitude")
-        '''
+        """
         obj.Priority = 5
 
 
diff --git a/src/Mod/Fem/femsolver/elmer/writer.py b/src/Mod/Fem/femsolver/elmer/writer.py
index 3fc5a10a4d0f..d9e8dd35be6d 100644
--- a/src/Mod/Fem/femsolver/elmer/writer.py
+++ b/src/Mod/Fem/femsolver/elmer/writer.py
@@ -138,7 +138,7 @@ def _writeMesh(self):
 
     def _writeStartinfo(self):
         path = os.path.join(self.directory, _STARTINFO_NAME)
-        with open(path, 'w') as f:
+        with open(path, "w") as f:
             f.write(_SIF_NAME)
 
     def _exportToUnv(self, groups, mesh, meshPath):
@@ -741,7 +741,7 @@ def _addOutputSolver(self):
 
     def _writeSif(self):
         sifPath = os.path.join(self.directory, _SIF_NAME)
-        with open(sifPath, 'w') as fstream:
+        with open(sifPath, "w") as fstream:
             sif = sifio.Sif(self._builder)
             sif.write(fstream)