Create app context to render template

handler.py

@@ -1,7 +1,8 @@
-from flask import render_template
+from flask import Flask, render_template
 from qusasat import Qusasat
 import base64
 
+app = Flask(__name__)
 # Load data
 qusasat = Qusasat(categories_file='./data/categories.csv', quotes_file='./data/qusasat.csv')
 # Load the only image we have as base64 data in memory
@@ -11,9 +12,10 @@
 base64_string = base64_data.decode('utf-8')
 
 def run(event, context):
-    global qusasat, base64_string
+    global app, qusasat, base64_string
     quote = qusasat.get_random_quote()
-    return render_template('quote.html', 
-                            category=quote['category'],
-                            quote=quote['quote'],
-                            background_image_url=f'data:image/png;base64,{base64_string}')
+    with app.app_context():
+        return render_template('quote.html', 
+                                category=quote['category'],
+                                quote=quote['quote'],
+                                background_image_url=f'data:image/png;base64,{base64_string}')