fix: restore accidentally collapsed newlines in run_tests.py and validation.py

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

Author: rquidute

th_cli/commands/run_tests.py

@@ -230,7 +230,8 @@ async def run_tests(
                 }
 
         # Merge extra test parameters if provided (temporary for this execution only)
-        if extra_test_params:            click.echo(
+        if extra_test_params:
+            click.echo(
                 colorize_key_value(
                     "Extra SDK Test Parameters (Execution Only)", json.dumps(extra_test_params, indent=JSON_INDENT)
                 )

th_cli/validation.py

@@ -167,7 +167,8 @@ def validate_tc_params_file(file_path: str) -> Path:
     return path
 
 
-def validate_hostname(hostname: str) -> str:    """Validate hostname format."""
+def validate_hostname(hostname: str) -> str:
+    """Validate hostname format."""
     if not hostname or len(hostname.strip()) == 0:
         raise CLIError("Hostname cannot be empty")