Update app.py

app.py

@@ -3,17 +3,31 @@ from streamlit_calendar import calendar # to show calendar
 from dateutil.relativedelta import relativedelta # for addition to dates
 import datetime
 import os # for extracting environment variable
-from urllib.request import urlopen # for getting data from FMP API
+###from urllib.request import urlopen # for getting data from FMP API
 import json # for parsing data from FMP API
+import urllib.request
+
 
 # For parsing data from API from JSON to a Python Dictionary
 def get_jsonparsed_data(url):
-    response = urlopen(url)
+
+    headers = {'User-Agent': 'Mozilla/5.0'}
+    request = urllib.request.Request(url, headers=headers)
+    response = urllib.request.urlopen(request)
     data = response.read().decode("utf-8")
     return json.loads(data)
+    
+    
+    ###response = urlopen(url)
+    ###data = response.read().decode("utf-8")
+    ###return json.loads(data)
 
 # Get FMP API stored as environment variable
-apiKey = os.environ['FMP_API_KEY']
+###apiKey = os.environ['FMP_API_KEY']
+apiKey = os.getenv['FMP_API_KEY']
+if not apiKey:
+    st.error("API Key not found. Please set the FMP_API_KEY environment variable.")
+    st.stop()
 
 # Financialmodelingprep (FMP) api base url
 base_url = "https://financialmodelingprep.com/api/v3/"