Merge pull request #17 from rosalindfranklininstitute/modify-setup

modify setup.py to remove filename.as_posix causing bug

setup.py

@@ -30,7 +30,7 @@ def read_requirements_from_here(here: Path, filename: str = None) -> list:
     assert filename is not None, "filename as string must be provided"
     assert here.with_name(
         filename
-    ).exists(), f"requirements filename {filename.as_posix()} does not exist"
+    ).exists(), f"requirements filename {filename} does not exist"
     with open(here.with_name(filename)) as requirements_file:
         # Parse requirements.txt, ignoring any commented-out lines.
         requirements = [