minor mods

app.py

@@ -1,6 +1,7 @@
-from flask import Flask, render_template, request, redirect
+from flask import Flask, render_template, request, redirect, Response
 from sympy import *
 from helpers import apology
+import numpy as np
 
 app = Flask(__name__)
 

requirements.txt

@@ -13,3 +13,4 @@ requests==2.22.0
 sympy==1.4
 urllib3==1.25.7
 Werkzeug==0.16.0
+matplotlib==3.1.2

templates/optimized.html

@@ -65,4 +65,9 @@
       </tbody>
     </table>
 	</font>
+
+  <canvas id='myChart' width='400', height='400'></canvas>
+
+
+
 {% endblock %}