adding requirements and pinning version

.github/workflows/ci.yml

@@ -24,9 +24,6 @@ jobs:
         python -m pip install --upgrade pip
         python -m pip install pytest
         if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
-    - name: Install Package
-      run: |
-        python setup.py install
     - name: Run Tests
       run: |
         pytest

requirements.txt

@@ -0,0 +1,8 @@
+astropy==4.3.1
+lxml==4.6.4
+matplotlib==3.4.3
+numpy==1.21.4
+numpydoc==1.1.0
+openpyxl==3.0.9
+requests==2.26.0
+scipy==1.7.2

setup.py

@@ -100,14 +100,14 @@ def run_tests(self):
         sys.exit(errno)
 
 install_requires = [
-        'astropy>=1.2',
-        'numpy>=1.13',
-        'numpydoc',
-        'matplotlib>=3.0.0',
-        'lxml>=3.6.4',
-        'scipy>=0.17',
-        'openpyxl>=2.6.0',
-        'requests>=2.21.0',
+        'astropy==4.3.1',
+        'lxml==4.6.4',
+        'matplotlib==3.4.3',
+        'numpy==1.21.4',
+        'numpydoc==1.1.0',
+        'openpyxl==3.0.9',
+        'requests==2.26.0',
+        'scipy==1.7.2',
     ]
 
 # Patch because MacOS Mojave causes matplotlib to fail without pyqt5 - will remove line if this bug is patched