From 5df631530aa65a72b00cc3e504b74807f7618f48 Mon Sep 17 00:00:00 2001
From: rbolgaryn <roman.bolgaryn@iee.fraunhofer.de>
Date: Fri, 13 Dec 2019 15:14:25 +0100
Subject: [PATCH] small changes to address warnings

---
 pandapower/auxiliary.py                    | 2 +-
 pandapower/create.py                       | 8 ++++----
 pandapower/std_types.py                    | 2 +-
 pandapower/test/api/test_convert_format.py | 3 +--
 pandapower/test/api/test_file_io.py        | 2 +-
 pandapower/test/api/test_std_types.py      | 3 +--
 pandapower/toolbox.py                      | 3 ++-
 7 files changed, 11 insertions(+), 12 deletions(-)

diff --git a/pandapower/auxiliary.py b/pandapower/auxiliary.py
index b1e843eec..77b96dbfe 100644
--- a/pandapower/auxiliary.py
+++ b/pandapower/auxiliary.py
@@ -26,7 +26,7 @@
 # THE SOFTWARE.
 # (https://github.com/bcj/AttrDict/blob/master/LICENSE.txt)
 
-from collections import MutableMapping
+from collections.abc import MutableMapping
 import copy
 
 import numpy as np
diff --git a/pandapower/create.py b/pandapower/create.py
index 9f25e7006..fd49bfe31 100644
--- a/pandapower/create.py
+++ b/pandapower/create.py
@@ -1271,7 +1271,7 @@ def create_ext_grid(net, bus, vm_pu=1.0, va_degree=0., name=None, in_service=Tru
 
         **min_q_mvar** (float, NaN) - Minimum reactive power injection. Only respected for OPF
 
-        \* only considered in loadflow if calculate_voltage_angles = True
+        ** only considered in loadflow if calculate_voltage_angles = True
 
     EXAMPLE:
         create_ext_grid(net, 1, voltage = 1.03)
@@ -1864,7 +1864,7 @@ def create_transformer_from_parameters(net, hv_bus, lv_bus, sn_mva, vn_hv_kv, vn
         **df** (float) - derating factor: maximal current of transformer in relation to nominal \
             current of transformer (from 0 to 1)
 
-        \* only considered in loadflow if calculate_voltage_angles = True
+        ** only considered in loadflow if calculate_voltage_angles = True
 
     OUTPUT:
         **index** (int) - The unique ID of the created transformer
@@ -2112,8 +2112,8 @@ def create_transformer3w_from_parameters(net, hv_bus, mv_bus, lv_bus, vn_hv_kv,
 
         **in_service** (boolean, True) - True for in_service or False for out of service
 
-        \* only considered in loadflow if calculate_voltage_angles = True
-        \**The model currently only supports one tap-changer per 3W Transformer.
+        ** only considered in loadflow if calculate_voltage_angles = True
+        **The model currently only supports one tap-changer per 3W Transformer.
 
         **max_loading_percent (float)** - maximum current loading (only needed for OPF)
 
diff --git a/pandapower/std_types.py b/pandapower/std_types.py
index 1d7954eff..8ede09b45 100644
--- a/pandapower/std_types.py
+++ b/pandapower/std_types.py
@@ -25,7 +25,7 @@ def create_std_type(net, data, name, element="line", overwrite=True, check_requi
     additional parameters can be added and later loaded into pandapower with the function
     "parameter_from_std_type".
 
-    \* only considered in loadflow if calculate_voltage_angles = True
+    ** only considered in loadflow if calculate_voltage_angles = True
 
     The standard type is saved into the pandapower library of the given network by default.
 
diff --git a/pandapower/test/api/test_convert_format.py b/pandapower/test/api/test_convert_format.py
index 3647ca95f..2b92d59ef 100644
--- a/pandapower/test/api/test_convert_format.py
+++ b/pandapower/test/api/test_convert_format.py
@@ -38,5 +38,4 @@ def test_convert_format(version):
 
 
 if __name__ == '__main__':
-    # load_and_test_network("1.4.3")
-    pytest.main(__file__)
+    pytest.main([__file__])
diff --git a/pandapower/test/api/test_file_io.py b/pandapower/test/api/test_file_io.py
index 69c811b72..391b8508e 100644
--- a/pandapower/test/api/test_file_io.py
+++ b/pandapower/test/api/test_file_io.py
@@ -244,4 +244,4 @@ def test_json_io_same_net(net_in, tempdir):
 
 
 if __name__ == "__main__":
-    pytest.main(["test_file_io.py", "-x"])
+    pytest.main([__file__, "-x"])
diff --git a/pandapower/test/api/test_std_types.py b/pandapower/test/api/test_std_types.py
index a6d74b1ac..e0fa9c005 100644
--- a/pandapower/test/api/test_std_types.py
+++ b/pandapower/test/api/test_std_types.py
@@ -322,5 +322,4 @@ def test_add_temperature_coefficient():
 
 
 if __name__ == "__main__":
-#    net = pp.create_empty_network()
-    pytest.main(["test_std_types.py"])
+    pytest.main([__file__])
diff --git a/pandapower/toolbox.py b/pandapower/toolbox.py
index efb3aefae..6b641971c 100644
--- a/pandapower/toolbox.py
+++ b/pandapower/toolbox.py
@@ -4,7 +4,8 @@
 # and Energy System Technology (IEE), Kassel. All rights reserved.
 
 import copy
-from collections import Iterable, defaultdict
+from collections import defaultdict
+from collections.abc import Iterable
 from itertools import chain
 
 import numpy as np