Resolve "Update CI image"

Author: Aurelien Vasselle

.gitlab-ci.yml

@@ -1,4 +1,4 @@
-image: conda/miniconda3
+image: continuumio/miniconda3
 
 stages:
   - lint
@@ -10,7 +10,7 @@ lint:
   stage: lint
   script:
     - apt update && apt install -y gcc
-    - conda install python=3.6 psutil
+    - conda install python=3.9 psutil
     - pip install .
     - pip install "pydocstyle<4" flake8 pep8-naming flake8-docstrings
     - flake8 --config=.flake8 scared tests setup.py
@@ -20,7 +20,7 @@ test:python36:
   script:
     - apt update && apt install -y gcc
     - eval "$(conda shell.bash hook)"
-    - conda create -n env-python36 python=3.6 psutil pycrypto numpy cython
+    - conda create -n env-python36 python=3.6
     - conda activate env-python36
     - python setup.py test -v
 
@@ -29,7 +29,7 @@ test:python37:
   script:
     - apt update && apt install -y gcc
     - eval "$(conda shell.bash hook)"
-    - conda create -n env-python37 python=3.7 psutil pycrypto numpy cython
+    - conda create -n env-python37 python=3.7
     - conda activate env-python37
     - python setup.py test -v
 
@@ -38,10 +38,19 @@ test:python38:
   script:
     - apt update && apt install -y gcc
     - eval "$(conda shell.bash hook)"
-    - conda create -n env-python38 python=3.8 psutil pycrypto numpy cython
+    - conda create -n env-python38 python=3.8
     - conda activate env-python38
     - python setup.py test -v
 
+test:python39:
+  stage: test
+  script:
+    - apt update && apt install -y gcc
+    - eval "$(conda shell.bash hook)"
+    - conda create -n env-python39 python=3.9
+    - conda activate env-python39
+    - python setup.py test -v
+
 build:pypi:src:
   stage: build
   script:

docs/source/CONTRIBUTING.md

@@ -122,7 +122,6 @@ All developments should be compatible with **Python 3.6** and **3.7**.
 To develop, you'll need to support:
 
 - setuptools **0.40 or greater** (just run `pip install -U pip setuptools`)
-- a C compiler to compile C extension with Cython (see Cython documentation)
 
 To start runnning your test suite, you can install the library in development mode:
 

pyproject.toml

@@ -3,5 +3,4 @@ requires = [
     "setuptools>=40.0",
     "wheel",
     "numpy",
-    "cython"
 ]