From cedd8c9de8b4cf22ce78f32242f00c4d597458ab Mon Sep 17 00:00:00 2001
From: a-ma72 <andi.martin@freenet.de>
Date: Sat, 27 Aug 2022 15:57:04 +0200
Subject: [PATCH] v0.4.2 Fix: rfc throws an exception, if parameter `wl` is set
 to None.

---
 python/pyproject.toml   | 2 +-
 python/requirements.txt | 2 +-
 python/setup.py         | 4 ++--
 python/src/rfcnt.cpp    | 2 +-
 4 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/python/pyproject.toml b/python/pyproject.toml
index 8370ec9..b024c2a 100644
--- a/python/pyproject.toml
+++ b/python/pyproject.toml
@@ -2,6 +2,6 @@
 requires = [
     "setuptools>=42",
     "wheel",
-    "numpy"
+    "numpy~=1.19.5"
 ]
 build-backend = "setuptools.build_meta"
\ No newline at end of file
diff --git a/python/requirements.txt b/python/requirements.txt
index 1acec7d..70105b3 100644
--- a/python/requirements.txt
+++ b/python/requirements.txt
@@ -1,4 +1,4 @@
 matplotlib>=3.2.2
-numpy>=1.19.5
+numpy~=1.19.5
 pandas>=1.1.5
 seaborn>=0.11.1
diff --git a/python/setup.py b/python/setup.py
index e788608..824a636 100644
--- a/python/setup.py
+++ b/python/setup.py
@@ -1,7 +1,7 @@
 from setuptools import setup, Extension
 from os import path
 
-version = (0, 4, 1)
+version = (0, 4,2)
 
 try:
     from numpy import get_include as get_numpy_include
@@ -25,7 +25,7 @@ def main():
         keywords='rainflow counting',
         author="Andreas Martin",
         license='BSD-2-Clause License',
-        url='http://github.com/AndreasMartin72/rainflow',
+        url='http://github.com/a-ma72/rainflow',
         setup_requires=['wheel'],
         install_requires=['numpy'],
         packages=["rfcnt", "rfcnt.tests"],
diff --git a/python/src/rfcnt.cpp b/python/src/rfcnt.cpp
index 5503f3a..766c27a 100644
--- a/python/src/rfcnt.cpp
+++ b/python/src/rfcnt.cpp
@@ -77,7 +77,7 @@ int parse_rfc_kwargs( PyObject* kwargs, Py_ssize_t len, Rainflow *rf, Rainflow::
     Py_DECREF( empty );
 
     // Parameters of the SN curve, if defined
-    if( wl )
+    if( wl && wl != Py_None )
     {
         if( !PyDict_Check( wl ) )
         {