change --help and remove assertion

Author: 2bndy5

clang_tools/main.py

@@ -21,8 +21,8 @@ def get_parser() -> argparse.ArgumentParser:
         "--install",
         metavar="VERSION",
         help="Install clang-tools about a specific version. This can be in the form of"
-        " a semantic version specification (``x.y.z``, ``x.y``, ``x``) or a path that "
-        "points to the directory where the binaries already exist.",
+        " a semantic version specification (``x.y.z``, ``x.y``, ``x``). NOTE: A "
+        "malformed version specification will cause a silent failure.",
     )
     parser.add_argument(
         "-t",

clang_tools/util.py

@@ -122,7 +122,4 @@ def __init__(self, user_input: str):
         try:
             self.info = tuple([int(x) for x in version_tuple])  # type: ignore[assignment]
         except ValueError:
-            assert Path(
-                user_input
-            ).exists(), "specified version is not a semantic or a path"
             self.info = (0, 0, 0)