build.hooks: better collision error message in make-venv (copy/pastab…

…le filenames)

build/hooks/make-venv/make_venv.py

@@ -43,7 +43,7 @@ class FileCollisionError(Exception):
     def __init__(self, inputs: list[Path]):
         err = f"""Two or more packages are trying to provide the same file with different contents
 
-        Files: {inputs}"""
+        Files: {' '.join((str(x) for x in inputs))}"""
         super().__init__(err)