diff --git a/cognee/modules/ontology/base_ontology_resolver.py b/cognee/modules/ontology/base_ontology_resolver.py
index 86f51fcb7..7005e6981 100644
--- a/cognee/modules/ontology/base_ontology_resolver.py
+++ b/cognee/modules/ontology/base_ontology_resolver.py
@@ -7,12 +7,12 @@ from cognee.modules.ontology.matching_strategies import MatchingStrategy, FuzzyM
 
 class BaseOntologyResolver(ABC):
     """Abstract base class for ontology resolvers."""
-    
+
     def __init__(self, matching_strategy: Optional[MatchingStrategy] = None):
         """Initialize the ontology resolver with a matching strategy.
-        
+
         Args:
-            matching_strategy: The strategy to use for entity matching. 
+            matching_strategy: The strategy to use for entity matching.
                               Defaults to FuzzyMatchingStrategy if None.
         """
         self.matching_strategy = matching_strategy or FuzzyMatchingStrategy()
@@ -35,6 +35,8 @@ class BaseOntologyResolver(ABC):
     @abstractmethod
     def get_subgraph(
         self, node_name: str, node_type: str = "individuals", directed: bool = True
-    ) -> Tuple[List[AttachedOntologyNode], List[Tuple[str, str, str]], Optional[AttachedOntologyNode]]:
+    ) -> Tuple[
+        List[AttachedOntologyNode], List[Tuple[str, str, str]], Optional[AttachedOntologyNode]
+    ]:
         """Get a subgraph for the given node."""
         pass
diff --git a/cognee/modules/ontology/matching_strategies.py b/cognee/modules/ontology/matching_strategies.py
index c576bf6e2..0e8ba7b96 100644
--- a/cognee/modules/ontology/matching_strategies.py
+++ b/cognee/modules/ontology/matching_strategies.py
@@ -5,15 +5,15 @@ from typing import List, Optional
 
 class MatchingStrategy(ABC):
     """Abstract base class for ontology entity matching strategies."""
-    
+
     @abstractmethod
     def find_match(self, name: str, candidates: List[str]) -> Optional[str]:
         """Find the best match for a given name from a list of candidates.
-        
+
         Args:
             name: The name to match
             candidates: List of candidate names to match against
-            
+
         Returns:
             The best matching candidate name, or None if no match found
         """
@@ -22,34 +22,32 @@ class MatchingStrategy(ABC):
 
 class FuzzyMatchingStrategy(MatchingStrategy):
     """Fuzzy matching strategy using difflib for approximate string matching."""
-    
+
     def __init__(self, cutoff: float = 0.8):
         """Initialize fuzzy matching strategy.
-        
+
         Args:
             cutoff: Minimum similarity score (0.0 to 1.0) for a match to be considered valid
         """
         self.cutoff = cutoff
-    
+
     def find_match(self, name: str, candidates: List[str]) -> Optional[str]:
         """Find the closest fuzzy match for a given name.
-        
+
         Args:
             name: The normalized name to match
             candidates: List of normalized candidate names
-            
+
         Returns:
             The best matching candidate name, or None if no match meets the cutoff
         """
         if not candidates:
             return None
-            
+
         # Check for exact match first
         if name in candidates:
             return name
-            
+
         # Find fuzzy match
-        best_match = difflib.get_close_matches(
-            name, candidates, n=1, cutoff=self.cutoff
-        )
+        best_match = difflib.get_close_matches(name, candidates, n=1, cutoff=self.cutoff)
         return best_match[0] if best_match else None
diff --git a/cognee/modules/ontology/rdf_xml/RDFLibOntologyResolver.py b/cognee/modules/ontology/rdf_xml/RDFLibOntologyResolver.py
index d8de5794a..c6b3e22be 100644
--- a/cognee/modules/ontology/rdf_xml/RDFLibOntologyResolver.py
+++ b/cognee/modules/ontology/rdf_xml/RDFLibOntologyResolver.py
@@ -19,12 +19,16 @@ logger = get_logger("OntologyAdapter")
 
 class RDFLibOntologyResolver(BaseOntologyResolver):
     """RDFLib-based ontology resolver implementation.
-    
+
     This implementation uses RDFLib to parse and work with RDF/OWL ontology files.
     It provides fuzzy matching and subgraph extraction capabilities for ontology entities.
     """
-    
-    def __init__(self, ontology_file: Optional[str] = None, matching_strategy: Optional[MatchingStrategy] = None):
+
+    def __init__(
+        self,
+        ontology_file: Optional[str] = None,
+        matching_strategy: Optional[MatchingStrategy] = None,
+    ):
         super().__init__(matching_strategy)
         self.ontology_file = ontology_file
         try:
@@ -96,7 +100,7 @@ class RDFLibOntologyResolver(BaseOntologyResolver):
         try:
             normalized_name = name.lower().replace(" ", "_").strip()
             possible_matches = list(self.lookup.get(category, {}).keys())
-            
+
             return self.matching_strategy.find_match(normalized_name, possible_matches)
         except Exception as e:
             logger.error("Error in find_closest_match: %s", str(e))
@@ -111,7 +115,9 @@ class RDFLibOntologyResolver(BaseOntologyResolver):
 
     def get_subgraph(
         self, node_name: str, node_type: str = "individuals", directed: bool = True
-    ) -> Tuple[List[AttachedOntologyNode], List[Tuple[str, str, str]], Optional[AttachedOntologyNode]]:
+    ) -> Tuple[
+        List[AttachedOntologyNode], List[Tuple[str, str, str]], Optional[AttachedOntologyNode]
+    ]:
         nodes_set = set()
         edges: List[Tuple[str, str, str]] = []
         visited = set()