Minor improvements

slither/core/solidity_types/array_type.py

@@ -29,7 +29,6 @@ class ArrayType(Type):
     def type(self) -> Type:
         return self._type
 
-
     @property
     def is_dynamic(self) -> bool:
         return self.length is None

slither/core/solidity_types/type_alias.py

@@ -15,7 +15,6 @@ class TypeAlias(Type):
         self.name = name
         self.underlying_type = underlying_type
 
-
     @property
     def storage_size(self) -> Tuple[int, bool]:
         return self.underlying_type.storage_size
@@ -27,6 +26,7 @@ class TypeAlias(Type):
     def is_dynamic(self) -> bool:
         return self.underlying_type.is_dynamic
 
+
 class TypeAliasTopLevel(TypeAlias, TopLevel):
     def __init__(self, underlying_type: Type, name: str, scope: "FileScope"):
         super().__init__(underlying_type, name)

slither/core/solidity_types/type_information.py

@@ -35,6 +35,10 @@ class TypeInformation(Type):
         """
         return 32, True
 
+    @property
+    def is_dynamic(self) -> bool:
+        raise NotImplementedError
+
     def __str__(self):
         return f"type({self.type.name})"
 

slither/core/solidity_types/user_defined_type.py

@@ -22,13 +22,12 @@ class UserDefinedType(Type):
 
     @property
     def is_dynamic(self) -> bool:
-        raise NotImplemented
+        return False
 
     @property
     def type(self) -> Union["Contract", "Enum", "Structure"]:
         return self._type
 
-
     @property
     def storage_size(self) -> Tuple[int, bool]:
         from slither.core.declarations.structure import Structure