src/visu/__main__.py: small simplication

src/visu/__main__.py

@@ -57,7 +57,7 @@ def launcher(design: str, bw_folder: str, region_beds: List[str],
         raise ValueError(f"The two values given with --environment must "
                          f"be greater than 0 and the first value must be "
                          f"greater than the second")
-    show_rep = True if show_replicate.lower() == 'y' else False
+    show_rep = show_replicate.lower() == 'y'
     norm = int(norm) if norm.isdigit() else None if norm == 'None' else norm
     if isinstance(norm, str):
         norm = Path(norm)