Python ML LSTM Stock Prediction with Dash No Output Code Just Keeps Running - tensorflow

Question

I'm trying to run the following code in Jupyter notebook - but it just keeps running endlessly with no output. I'm following the tutorial from: https://data-flair.training/blogs/stock-price-prediction-machine-learning-project-in-python/
The code is from the stock_app.py which doesn't seem to be working:
import dash
import dash_core_components as dcc
import dash_html_components as html
import pandas as pd
import plotly.graph_objs as go
from dash.dependencies import Input, Output
from keras.models import load_model
from sklearn.preprocessing import MinMaxScaler
import numpy as np
app = dash.Dash()
server = app.server
scaler=MinMaxScaler(feature_range=(0,1))
df_nse = pd.read_csv("./NSE-TATA.csv")
df_nse["Date"]=pd.to_datetime(df_nse.Date,format="%Y-%m-%d")
df_nse.index=df_nse['Date']
data=df_nse.sort_index(ascending=True,axis=0)
new_data=pd.DataFrame(index=range(0,len(df_nse)),columns=['Date','Close'])
for i in range(0,len(data)):
new_data["Date"][i]=data['Date'][i]
new_data["Close"][i]=data["Close"][i]
new_data.index=new_data.Date
new_data.drop("Date",axis=1,inplace=True)
dataset=new_data.values
train=dataset[0:987,:]
valid=dataset[987:,:]
scaler=MinMaxScaler(feature_range=(0,1))
scaled_data=scaler.fit_transform(dataset)
x_train,y_train=[],[]
for i in range(60,len(train)):
x_train.append(scaled_data[i-60:i,0])
y_train.append(scaled_data[i,0])
x_train,y_train=np.array(x_train),np.array(y_train)
x_train=np.reshape(x_train,(x_train.shape[0],x_train.shape[1],1))
model=load_model("saved_ltsm_model.h5")
inputs=new_data[len(new_data)-len(valid)-60:].values
inputs=inputs.reshape(-1,1)
inputs=scaler.transform(inputs)
X_test=[]
for i in range(60,inputs.shape[0]):
X_test.append(inputs[i-60:i,0])
X_test=np.array(X_test)
X_test=np.reshape(X_test,(X_test.shape[0],X_test.shape[1],1))
closing_price=model.predict(X_test)
closing_price=scaler.inverse_transform(closing_price)
train=new_data[:987]
valid=new_data[987:]
valid['Predictions']=closing_price
df= pd.read_csv("./stock_data.csv")
app.layout = html.Div([
html.H1("Stock Price Analysis Dashboard", style={"textAlign": "center"}),
dcc.Tabs(id="tabs", children=[
dcc.Tab(label='NSE-TATAGLOBAL Stock Data',children=[
html.Div([
html.H2("Actual closing price",style={"textAlign": "center"}),
dcc.Graph(
id="Actual Data",
figure={
"data":[
go.Scatter(
x=train.index,
y=valid["Close"],
mode='markers'
)
],
"layout":go.Layout(
title='scatter plot',
xaxis={'title':'Date'},
yaxis={'title':'Closing Rate'}
)
}
),
html.H2("LSTM Predicted closing price",style={"textAlign": "center"}),
dcc.Graph(
id="Predicted Data",
figure={
"data":[
go.Scatter(
x=valid.index,
y=valid["Predictions"],
mode='markers'
)
],
"layout":go.Layout(
title='scatter plot',
xaxis={'title':'Date'},
yaxis={'title':'Closing Rate'}
)
}
)
])
]),
dcc.Tab(label='Facebook Stock Data', children=[
html.Div([
html.H1("Facebook Stocks High vs Lows",
style={'textAlign': 'center'}),
dcc.Dropdown(id='my-dropdown',
options=[{'label': 'Tesla', 'value': 'TSLA'},
{'label': 'Apple','value': 'AAPL'},
{'label': 'Facebook', 'value': 'FB'},
{'label': 'Microsoft','value': 'MSFT'}],
multi=True,value=['FB'],
style={"display": "block", "margin-left": "auto",
"margin-right": "auto", "width": "60%"}),
dcc.Graph(id='highlow'),
html.H1("Facebook Market Volume", style={'textAlign': 'center'}),
dcc.Dropdown(id='my-dropdown2',
options=[{'label': 'Tesla', 'value': 'TSLA'},
{'label': 'Apple','value': 'AAPL'},
{'label': 'Facebook', 'value': 'FB'},
{'label': 'Microsoft','value': 'MSFT'}],
multi=True,value=['FB'],
style={"display": "block", "margin-left": "auto",
"margin-right": "auto", "width": "60%"}),
dcc.Graph(id='volume')
], className="container"),
])
])
])
#app.callback(Output('highlow', 'figure'),
[Input('my-dropdown', 'value')])
def update_graph(selected_dropdown):
dropdown = {"TSLA": "Tesla","AAPL": "Apple","FB": "Facebook","MSFT": "Microsoft",}
trace1 = []
trace2 = []
for stock in selected_dropdown:
trace1.append(
go.Scatter(x=df[df["Stock"] == stock]["Date"],
y=df[df["Stock"] == stock]["High"],
mode='lines', opacity=0.7,
name=f'High {dropdown[stock]}',textposition='bottom center'))
trace2.append(
go.Scatter(x=df[df["Stock"] == stock]["Date"],
y=df[df["Stock"] == stock]["Low"],
mode='lines', opacity=0.6,
name=f'Low {dropdown[stock]}',textposition='bottom center'))
traces = [trace1, trace2]
data = [val for sublist in traces for val in sublist]
figure = {'data': data,
'layout': go.Layout(colorway=["#5E0DAC", '#FF4F00', '#375CB1',
'#FF7400', '#FFF400', '#FF0056'],
height=600,
title=f"High and Low Prices for {', '.join(str(dropdown[i]) for i in selected_dropdown)} Over Time",
xaxis={"title":"Date",
'rangeselector': {'buttons': list([{'count': 1, 'label': '1M',
'step': 'month',
'stepmode': 'backward'},
{'count': 6, 'label': '6M',
'step': 'month',
'stepmode': 'backward'},
{'step': 'all'}])},
'rangeslider': {'visible': True}, 'type': 'date'},
yaxis={"title":"Price (USD)"})}
return figure
#app.callback(Output('volume', 'figure'),
[Input('my-dropdown2', 'value')])
def update_graph(selected_dropdown_value):
dropdown = {"TSLA": "Tesla","AAPL": "Apple","FB": "Facebook","MSFT": "Microsoft",}
trace1 = []
for stock in selected_dropdown_value:
trace1.append(
go.Scatter(x=df[df["Stock"] == stock]["Date"],
y=df[df["Stock"] == stock]["Volume"],
mode='lines', opacity=0.7,
name=f'Volume {dropdown[stock]}', textposition='bottom center'))
traces = [trace1]
data = [val for sublist in traces for val in sublist]
figure = {'data': data,
'layout': go.Layout(colorway=["#5E0DAC", '#FF4F00', '#375CB1',
'#FF7400', '#FFF400', '#FF0056'],
height=600,
title=f"Market Volume for {', '.join(str(dropdown[i]) for i in selected_dropdown_value)} Over Time",
xaxis={"title":"Date",
'rangeselector': {'buttons': list([{'count': 1, 'label': '1M',
'step': 'month',
'stepmode': 'backward'},
{'count': 6, 'label': '6M',
'step': 'month',
'stepmode': 'backward'},
{'step': 'all'}])},
'rangeslider': {'visible': True}, 'type': 'date'},
yaxis={"title":"Transactions Volume"})}
return figure
if __name__=='__main__':
app.run_server(debug=True)