Update PyPI URL source to avoid confusion when distribution name has hyphens

Author: stefmolin

tutorials/publish-conda-forge.md

@@ -244,7 +244,7 @@ package:
   version: {{ version }}
 
 source:
-  url: https://pypi.io/packages/source/{{ name[0] }}/{{ name }}/pyospackage-{{ version }}.tar.gz
+  url: https://pypi.io/packages/source/{{ name[0] }}/{{ name.replace('-', '_') }}/pyospackage-{{ version }}.tar.gz
   sha256: 43ec82da3a10752a5dbf2f0ef742e357803a3ddb400005f87e86534685bfb8a7
 
 build: