Update README.md and utils.py

src/display/utils.py

@@ -67,7 +67,7 @@ class ModelType(Enum):
     IFT = ModelDetails(name="instruction-tuned", symbol="⭕")
     RL = ModelDetails(name="RL-tuned", symbol="🟦")
     LOCK = ModelDetails(name="locked", symbol="🔒")
-    Unknown = ModelDetails(name="", symbol="?")
+    Unknown = ModelDetails(name="", symbol="🔒")
 
     def to_str(self, separator=" "):
         return f"{self.value.symbol}{separator}{self.value.name}"
@@ -82,7 +82,6 @@ class ModelType(Enum):
             return ModelType.RL
         if "instruction-tuned" in type or "⭕" in type:
             return ModelType.IFT
-        
         if "locked" in type or "🔒" in type:
             return ModelType.LOCK
         
@@ -103,6 +102,7 @@ class Precision(Enum):
             return Precision.float16
         if precision in ["torch.bfloat16", "bfloat16"]:
             return Precision.bfloat16
+        
         return Precision.Unknown
 
 # Column selection