drop support for python 3.7

.github/workflows/build_wheels.yml

@@ -14,7 +14,7 @@ jobs:
       matrix:
         os: [ubuntu-20.04, macos-11, windows-latest]
         cibw_archs: ["auto64"]
-        cibw_build: ["cp37-*", "cp38-*", "cp39-*", "cp310-*", "cp311-*"]
+        cibw_build: ["cp38-*", "cp39-*", "cp310-*", "cp311-*"]
 
     steps:
       - uses: actions/checkout@v3

.github/workflows/publish_pypi.yml

@@ -16,7 +16,7 @@ jobs:
       matrix:
         os: [ubuntu-20.04, macos-11, windows-latest]
         cibw_archs: ["auto64"]
-        cibw_build: ["cp37-*", "cp38-*", "cp39-*", "cp310-*", "cp311-*"]
+        cibw_build: ["cp38-*", "cp39-*", "cp310-*", "cp311-*"]
 
     steps:
       - uses: actions/checkout@v3

README.md

@@ -666,7 +666,7 @@ If you want to build your own Nyxus Docker container we provide a convenient she
 
 
 ## Dependencies
-Nyxus is tested with Python 3.6+. Nyxus relies on the the following packages:
+Nyxus is tested with Python 3.8+. Nyxus relies on the the following packages:
 
 [pybind11](https://github.com/pybind/pybind11) >= 2.8.1 <br>
 [libTIFF](http://www.libtiff.org) >= 3.6.1 <br>

environment.yml

@@ -3,7 +3,7 @@ channels:
   - https://repo.continuum.io/pkgs/free
   - defaults
 dependencies:
-  - python=3.7
+  - python>=3.8
   - compilers
   - boost[version='>=1.63']
   - z5py

setup.py

@@ -107,6 +107,6 @@ def build_extension(self, ext):
     ext_modules=[CMakeExtension("nyxus/backend")],
     test_suite="tests",
     zip_safe=False,
-    python_requires=">=3.6",
+    python_requires=">=3.8",
     install_requires=["numpy", "pandas", "pyarrow"]
 )