fix naming pattern

Author: Álvaro Santos Laserna López

setup.py

@@ -4,7 +4,7 @@
     long_description = fh.read()
 
 setup(
-    name="py-testui",
+    name="py_testui",
     author="Alvaro Santos Laserna Lopez",
     version="0.1.0",
     url="https://testdevlab.com",