🎨 Format code with Black

- Reformat 21 files to comply with Black standards
- Fix linting issues for GitHub Actions workflow

Author: mazzasaverio

src/structured_output_cookbook/__init__.py

@@ -3,7 +3,9 @@
 __version__ = "0.1.0"
 __author__ = "Saverio Mazza"
 __email__ = "[email protected]"
-__description__ = "Extract structured data from text using LLMs with ready-to-use templates"
+__description__ = (
+    "Extract structured data from text using LLMs with ready-to-use templates"
+)
 __url__ = "https://github.com/mazzasaverio/structured-output-cookbook"
 
 from .extractor import StructuredExtractor
@@ -19,7 +21,7 @@
 __all__ = [
     "StructuredExtractor",
     "BaseSchema",
-    "ExtractionResult", 
+    "ExtractionResult",
     "SchemaLoader",
     "YamlSchema",
     "setup_minimal_logger",
@@ -30,4 +32,4 @@
     "EventSchema",
     "Config",
     "__version__",
-]
+]