diff --git a/blog/models.py b/blog/models.py
index c03ca71e..ab3b8441 100644
--- a/blog/models.py
+++ b/blog/models.py
@@ -134,7 +134,7 @@ def morph(self):
 class SteemitArticle:
     def __init__(self, article, url):
         res = requests.get(url)
-        html = BeautifulSoup(res.text)
+        html = BeautifulSoup(res.text, "lxml")
         uri = re.match('https://steemit.com/.+/@(.*)', url).groups()[0]
         content = html.body.find('script',
                                  attrs={'type': 'application/json'}).text
diff --git a/core/views.py b/core/views.py
index 6f7ac95f..a1d6c697 100644
--- a/core/views.py
+++ b/core/views.py
@@ -17,12 +17,12 @@ def home():
 
 @app.errorhandler(NotFound)
 def error_404(e):
-    return render_template('error.html', code=404)
+    return render_template('error.html', code=404), 404
 
 @app.errorhandler(Gone)
 def error_410(e):
-    return render_template('error.html', code=410)
+    return render_template('error.html', code=410), 410
 
 @app.errorhandler(InternalServerError)
 def error_500(e):
-    return render_template('error.html', code=500)
+    return render_template('error.html', code=500), 500
diff --git a/requirements.txt b/requirements.txt
index ed9f78f3..fefacef2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ Flask==1.1.1
 Flask-Login==0.4.0
 langdetect==1.0.7
 Markdown==2.6.11
-mongoengine==0.15.3
+mongoengine==0.19.1
 Pillow==6.2.1
 requests==2.22.0
 
diff --git a/settings.test.py b/settings.test.py
index f6344917..92c8d826 100644
--- a/settings.test.py
+++ b/settings.test.py
@@ -8,7 +8,7 @@
 DATABASE = {
   'db': 'neomad_test',
   'username': 'root',
-  'host': 'localhost'
+  'host': 'localhost',
   'password': '',
   'port': int(os.environ.get('DB_PORT', 27017))
 }