fix: apply black formatting to llm-katan Python files

Signed-off-by: Yossi Ovadia <[email protected]>

Author: yossiovadia

e2e-tests/llm-katan/llm_katan/cli.py

@@ -161,8 +161,7 @@ def main(
         import transformers  # noqa: F401
     except ImportError:
         click.echo(
-            "❌ Required dependencies missing. "
-            "Install with: pip install transformers torch",
+            "❌ Required dependencies missing. " "Install with: pip install transformers torch",
             err=True,
         )
         sys.exit(1)

e2e-tests/llm-katan/llm_katan/config.py

@@ -36,9 +36,7 @@ def __post_init__(self):
 
         # Validate backend
         if self.backend not in ["transformers", "vllm"]:
-            raise ValueError(
-                f"Invalid backend: {self.backend}. Must be 'transformers' or 'vllm'"
-            )
+            raise ValueError(f"Invalid backend: {self.backend}. Must be 'transformers' or 'vllm'")
 
     @property
     def device_auto(self) -> str: