Add name variable before symbol build call

Author: haydenbaker

codegen/core/src/main/java/software/amazon/smithy/python/codegen/PythonSymbolProvider.java

@@ -283,7 +283,8 @@ public Symbol operationShape(OperationShape shape) {
 
         // We add a symbol for the method in the client as a property, whereas the actual
         // operation symbol points to the generated type for it
-        return createGeneratedSymbolBuilder(shape, getDefaultShapeName(shape), SHAPES_FILE)
+        var name = CaseUtils.toSnakeCase(getDefaultShapeName(shape)).toUpperCase(Locale.ENGLISH);
+        return createGeneratedSymbolBuilder(shape, name, SHAPES_FILE)
                 .putProperty(SymbolProperties.OPERATION_METHOD, methodSymbol)
                 .build();
     }