Amélioration de l'exception Http

Sources/dafl_project_flutter/lib/exceptions/http_exception.dart

@@ -1,9 +1,12 @@
 import 'dart:developer' as dev;
+import 'package:http/http.dart';
 
 class HttpException implements Exception {
   HttpException(var value) {
-    dev.log('Http request failed :');
+    dev.log('Http request failed');
+    if (value.runtimeType == Response) {
       dev.log('Status code : ${value.statusCode.toString()}');
       dev.log('Body : ${value.body.toString()}');
     }
   }
+}