increase numpy version for python 3.9 in pyproject.toml

Author: akshayka

.github/workflows/run_tests.yaml

@@ -9,7 +9,6 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
-        # add 3.9 once llvmlite supports python 3.9
         python-version: [3.7, 3.8, 3.9]
 
     steps:
@@ -33,14 +32,13 @@ jobs:
     - if: matrix.os == 'windows-latest'
       run: pip install --find-links https://download.pytorch.org/whl/torch_stable.html torch==1.8.0+cpu torchvision==0.9.0+cpu
 
-    - run: pip install -r requirements.txt
     - name: Lint with flake8
       run: |
         flake8 pymde/
     - name: Install pymde
       run: |
         python setup.py build_ext --inplace
-        python setup.py install
+        pip install .
     - name: Test with pytest
       run: |
         pytest -v pymde/

pyproject.toml

@@ -1,2 +1,10 @@
 [build-system]
-requires = ["setuptools", "wheel", "cython", "oldest-supported-numpy"]
+requires = [
+  "numpy==1.17.5; python_version=='3.7'",
+  "numpy==1.17.5; python_version=='3.8'",
+  "numpy >= 1.19; python_version=='3.9'",
+  "scipy >= 1.6",
+  "setuptools",
+  "wheel",
+  "cython"
+]

requirements.txt

@@ -1,5 +1,5 @@
 cython
-numpy==1.17.5
-scipy==1.6
+numpy >= 1.17.5
+scipy >= 1.6
 torch --find-links https://download.pytorch.org/whl/torch_stable.html
 torchvision --find-links https://download.pytorch.org/whl/torch_stable.html