Make tabulate a dependency for all pip install

- But not for using the slurm2sql main program only

.github/workflows/pytest.yml

@@ -16,7 +16,7 @@ jobs:
     - name: Install dependencies
       run: |
         python -m pip install pytest
-        python -m pip install .[cli]
+        python -m pip install .
     - name: pytest
       run: |
         pytest test.py

README.rst

@@ -24,16 +24,16 @@ forms than built-in Slurm commands.  This is especially useful for
 ``sacct``.  You can design your own tools like this.
 
 
+
 Installation
 ------------
 
-Normal ``pip`` installation, name ``slurm2sql`` or ``slurm2sql[cli]``
-for the command line programs.  This installs the library and command
-line programs.
+Normal ``pip`` installation, name ``slurm2sql`` for the command line
+programs.  This installs the library and command line programs.
 
 ::
 
-   pip install slurm2sql[cli]
+   pip install slurm2sql
 
 There is only a single file with no depencecies for the core
 ``slurm2sql`` library (which could also be manually downloaded - HPC,

setup.py

@@ -20,10 +20,10 @@
     #packages=setuptools.find_packages(),
     py_modules=["slurm2sql"],
     keywords='slurm sqlite3',
-    python_requires='>= 2.7, >=3.4',
-    extras_require = {
-        'cli': ["tabulate"],
-    },
+    python_requires='>= 3.6',  # f-strings, if you need older then ask
+    install_requires = [
+        "tabulate",
+        ],
     entry_points={
         'console_scripts': [
             'slurm2sql=slurm2sql:main',