fix missing requirements and add test caller

tests/inline.py

@@ -0,0 +1,12 @@
+#!/bin/env -S python
+
+from os.path import dirname
+import sys
+
+from okipy.lib import get_inline_suite
+
+sys.path.append(f"{dirname(__file__)}/../src")
+import pyalibert # executes inline tests
+
+
+if __name__ == "__main__": get_inline_suite().run(sys.argv[1:])