Convert image to bytes instead of png, update dependenci

Pipfile.lock

@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "53a903d4c91bf2e7a69e4d2af6ae5d7801a5ed730b493b72e2268e1d4c038de0"
+            "sha256": "7a09c557aef26e75e57d27c48b21b4a9021fd572aac9f138a5a3c295f5b7f5d4"
         },
         "pipfile-spec": 6,
         "requires": {
@@ -186,6 +186,18 @@
             "index": "pypi",
             "version": "==2.2.0"
         },
+        "kaleido": {
+            "hashes": [
+                "sha256:4670985f28913c2d063c5734d125ecc28e40810141bdb0a46f15b76c1d45f23c",
+                "sha256:845819844c8082c9469d9c17e42621fbf85c2b237ef8a86ec8a8527f98b6512a",
+                "sha256:aa21cf1bf1c78f8fa50a9f7d45e1003c387bd3d6fe0a767cfbbf344b95bdc3a8",
+                "sha256:bb9a5d1f710357d5d432ee240ef6658a6d124c3e610935817b4b42da9c787c05",
+                "sha256:ca6f73e7ff00aaebf2843f73f1d3bacde1930ef5041093fe76b83a15785049a7",
+                "sha256:ecc72635860be616c6b7161807a65c0dbd9b90c6437ac96965831e2e24066552"
+            ],
+            "index": "pypi",
+            "version": "==0.2.1"
+        },
         "kiwisolver": {
             "hashes": [
                 "sha256:0cd53f403202159b44528498de18f9285b04482bab2a6fc3f5dd8dbb9352e30d",
@@ -491,6 +503,14 @@
             "index": "pypi",
             "version": "==8.1.0"
         },
+        "plotly": {
+            "hashes": [
+                "sha256:7d8aaeed392e82fb8e0e48899f2d3d957b12327f9d38cdd5802bc574a8a39d91",
+                "sha256:d68fc15fcb49f88db27ab3e0c87110943e65fee02a47f33a8590f541b3042461"
+            ],
+            "index": "pypi",
+            "version": "==4.14.3"
+        },
         "progress": {
             "hashes": [
                 "sha256:69ecedd1d1bbe71bf6313d88d1e6c4d2957b7f1d4f71312c211257f7dae64372"

table2.py

@@ -1,6 +1,7 @@
 import matplotlib.pyplot as plt
 import matplotlib, io
 import plotly.express as px
+import plotly
 from datetime import datetime
 
 
@@ -94,6 +95,5 @@ def generate_chart(ticker, history):
     )
 
     img_bytes = io.BytesIO()
-    img_bytes = fig.to_image(format="png")
-    img_bytes.seek(0)
+    img_bytes = plotly.io.to_image(fig, format="png")
     return img_bytes