From 849dc77278f35f79ebf17db003de65bb1a6757d5 Mon Sep 17 00:00:00 2001
From: Arved Enders-Seidlitz <arved.enders-seidlitz@ikz-berlin.de>
Date: Tue, 3 Aug 2021 09:52:52 +0200
Subject: [PATCH] bugfix elmerkw.py, black

---
 CHANGES.txt                                   | 3 +++
 examples/2D_heat_transfer/heat_transfer_2d.py | 2 +-
 pyelmer/elmer.py                              | 1 +
 pyelmer/elmerkw.py                            | 4 ++--
 4 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/CHANGES.txt b/CHANGES.txt
index 36f96f3..f0b0e02 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -1,3 +1,6 @@
+v0.3.1
+- Bugfix in elmerkw
+
 v0.3.0
 - Removed solver specific keywords. For backward compatibility the new module elmerkw was added (usage: import pyelmer.elmerkw as elmer).
 - Moved data to examples, it's not shipped with the package any longer.
diff --git a/examples/2D_heat_transfer/heat_transfer_2d.py b/examples/2D_heat_transfer/heat_transfer_2d.py
index 87e6495..a7c8341 100644
--- a/examples/2D_heat_transfer/heat_transfer_2d.py
+++ b/examples/2D_heat_transfer/heat_transfer_2d.py
@@ -54,7 +54,7 @@
 
 ###############
 # elmer setup
-elmer.data_dir="./data"
+elmer.data_dir = "./data"
 
 sim = elmer.load_simulation("2D_steady")
 
diff --git a/pyelmer/elmer.py b/pyelmer/elmer.py
index 3e4801e..5327197 100644
--- a/pyelmer/elmer.py
+++ b/pyelmer/elmer.py
@@ -12,6 +12,7 @@
 
 data_dir = "./"
 
+
 class Simulation:
     """Main wrapper for the sif file. The simulation class is used to
     collect all information.
diff --git a/pyelmer/elmerkw.py b/pyelmer/elmerkw.py
index e282584..6c8bdd8 100644
--- a/pyelmer/elmerkw.py
+++ b/pyelmer/elmerkw.py
@@ -21,7 +21,7 @@
 class Boundary(elmer.Boundary):
     """Wrapper for boundaries in sif-file."""
 
-    def __init__(self, simulation, name, geo_ids=[]):
+    def __init__(self, simulation, name, geo_ids=None):
         """Create boundary object.
 
         Args:
@@ -126,7 +126,7 @@ def get_data(self):
 class BodyForce(elmer.BodyForce):
     """Wrapper for body forces in sif-file."""
 
-    def __init__(self, simulation, name, data):
+    def __init__(self, simulation, name, data=None):
         """Create body force object.
 
         Args: