Have run_singlarity.py as command run_af2 after installation.

run_af2/setup.cfg

@@ -25,3 +25,7 @@ scripts =
 
 [options.packages.find]
 where = src
+
+[options.entry_points]
+console_scripts =
+    run_af2 = run_af2.run_singularity:main
\ No newline at end of file

run_af2/src/run_af2/run_singularity.py

@@ -316,7 +316,7 @@ def run_af2_singularity_image(  # pylint: disable=too-many-arguments
             )
 
 
-def _main():
+def main():
     """Execute as script"""
     opts = _parse_cmdline()
 
@@ -340,7 +340,7 @@ def _main():
 
 
 if __name__ == "__main__":
-    _main()
+    main()
 
 
 #  LocalWords:  AlphaFold Slurm sciCORE param FASTA Basenames RuntimeException