Decouple firmware, synapse version return strings (#137)

Signed-off-by: Jerome <janand@habana.ai>
Co-authored-by: Jirka Borovec <6035284+Borda@users.noreply.github.com>

CHANGELOG.md

@@ -13,8 +13,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Changed
 
+- Decoupled return strings of firmware, synapse version helper ([#137](https://github.com/Lightning-AI/lightning-Habana/pull/137))
 - Changed HPU docker image based on Synapse AI release 1.14.0 ([#140](https://github.com/Lightning-AI/lightning-Habana/pull/140))
--
 
 ### Fixed
 

src/lightning_habana/utils/resources.py

@@ -68,13 +68,15 @@ def _parse_hpu_synapse_versions(line: str) -> Tuple[str, str]:
     ('', '')
 
     """
+    hl = fw = ""
+
     try:
         # Item "None" of "Optional[Match[str]]" has no attribute "group"
         hl = re.search(r"hl-([\d\.]+)", line).group(1)  # type: ignore[union-attr]
         fw = re.search(r"fw-([\d\.]+)", line).group(1)  # type: ignore[union-attr]
     except AttributeError:
         rank_zero_warn("Provided string does not include Habana version; check if HPU is available with `hl-smi`.")
-        return "", ""
+
     return hl, fw