I'm try to fetch audits list.in backend i'm using python.python2 i'm getting data but in python3 i can't

 private void fetchAudits() {
        showProgressDialog();
        Call<RealmList<Audit>> call = ServiceAdapter.getService().fetchAudits();
        call.enqueue(new Callback<RealmList<Audit>>() {
            @Override
            public void onResponse(Call<RealmList<Audit>> call, final Response<RealmList<Audit>> response) {
                if (response.isSuccessful() && response.body() != null) {
                    Realm realm = Realm.getDefaultInstance();
                    realm.beginTransaction();
                    for (Audit audit : response.body()) {
                        Audit realmAudit = realm.where(Audit.class).equalTo("id", audit.getId()).findFirst();
                        if (realmAudit == null) {
                            realm.insert(audit);
                        }
                    }
                    realm.commitTransaction();
//                    realm.close();
                    loadAudits();
                } else {
                    try {
                        assert response.errorBody() != null;
                        Toast.makeText(AuditsListActivity.this, response.errorBody().string(), Toast.LENGTH_LONG).show();
                    } catch (IOException e) {
                        Log.e("Fetch audits", "Audits", e);
                        FirebaseCrashlytics.getInstance().recordException(e);
                        Toast.makeText(AuditsListActivity.this, "No audits found!", Toast.LENGTH_LONG).show();
                    }`enter code here`
                }
                hideProgressDialog();
            }

I'm try to fetch audits list.in backend i'm using python.python2 i'm getting data but in python3 i can't.suggest any solution for me.

my logcat error: Caused by: java.text.ParseException: Failed to parse date ["2020-02-22T08:23:58.506000"]: No time zone indicator at com.google.gson.internal.bind.util.ISO8601Utils.parse(ISO8601Utils.java:274) at com.google.gson.DefaultDateTypeAdapter.deserializeToDate(DefaultDateTypeAdapter.java:149) at com.google.gson.DefaultDateTypeAdapter.read(DefaultDateTypeAdapter.java:128)  at com.google.gson.DefaultDateTypeAdapter.read(DefaultDateTypeAdapter.java:44)  at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$1.read(ReflectiveTypeAdapterFactory.java:131)  at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$Adapter.read(ReflectiveTypeAdapterFactory.java:222)  at com.google.gson.internal.bind.TypeAdapterRuntimeTypeWrapper.read(TypeAdapterRuntimeTypeWrapper.java:41)  at com.google.gson.internal.bind.CollectionTypeAdapterFactory$Adapter.read(CollectionTypeAdapterFactory.java:82)  at com.google.gson.internal.bind.CollectionTypeAdapterFactory$Adapter.read(CollectionTypeAdapterFactory.java:61)  at retrofit2.converter.gson.GsonResponseBodyConverter.convert(GsonResponseBodyConverter.java:39)  at retrofit2.converter.gson.GsonResponseBodyConverter.convert(GsonResponseBodyConverter.java:27)  at retrofit2.ServiceMethod.toResponse(ServiceMethod.java:122)  at retrofit2.OkHttpCall.parseResponse(OkHttpCall.java:217)  at retrofit2.OkHttpCall$1.onResponse(OkHttpCall.java:116)  at okhttp3.RealCall$AsyncCall.execute(RealCall.java:206)  at okhttp3.internal.NamedRunnable.run(NamedRunnable.java:32)  at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167)  at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)  at java.lang.Thread.run(Thread.java:919)