formatting and small fix after review

Author: Seppli11

python-frontend/src/main/java/org/sonar/python/semantic/v2/types/AstBasedTypeInference.java

@@ -167,7 +167,7 @@ private static PythonType currentType(Name lhsName) {
         .orElse(null);
     }
 
-    public static Stream<Tree> getSymbolNonDeclarationUsageTrees(SymbolV2 symbol) {
+    private static Stream<Tree> getSymbolNonDeclarationUsageTrees(SymbolV2 symbol) {
       return symbol.usages()
         .stream()
         // Function and class definition names will always have FunctionType and ClassType respectively

python-frontend/src/main/java/org/sonar/python/semantic/v2/types/TrivialTypePropagationVisitor.java

@@ -91,7 +91,7 @@ private boolean isNumber(PythonType type) {
   private static PythonType toObjectType(PythonType type) {
     if (type == PythonType.UNKNOWN) {
       return type;
-    } else if(type instanceof ObjectType objectType) {
+    } else if (type instanceof ObjectType objectType) {
       return new ObjectType(objectType.typeWrapper(), objectType.attributes(), objectType.members(), objectType.typeSource());
     }
     return new ObjectType(type);