unable to get option data login issue Python

[mistrymah]

Loading from: C:\Users\admin.env
✅ .env updated with your actual MPIN: 7053
🔐 USING YOUR ACTUAL 4-DIGIT MPIN:
API Key: 2TZz0DWI
Client Code: M334114
MPIN: 7053 (length: 4 digits)
TOTP Secret: NREB6GSD7KKEOS5QOGCERGAV6Y
🎯 Double Diagonal Calendar Strategy - 4-DIGIT MPIN VERSION

🔐 Logging in to SmartAPI with 4-digit MPIN...
⏱ Generated TOTP: 578587
🔑 Using MPIN: 7053 (4 digits)
🔄 Trying MPIN endpoint...
📡 MPIN endpoint response: 200
❌ Login exception: Expecting value: line 1 column 1 (char 0)
❌ Authentication failed with 4-digit MPIN
💡 Using realistic mock data for strategy demonstration...
🔄 Using mock data for testing...
🎯 Using expiries: 2025-11-13 (short), 2025-11-20 (long)
📈 Current NIFTY LTP: 22000
📊 Data summary - Short Calls: 16, Short Puts: 16, Long Calls: 16, Long Puts: 16
🔍 Evaluated 1162 combinations

============================================================
✅ DOUBLE DIAGONAL CALENDAR SUGGESTION

Short Call: 22350 → Long Call: 22350 (Width: 0 points)
Short Put: 22000 → Long Put: 21600 (Width: 400 points)
Total Width: 400 points (≤ 600 ✅)
Strategy Score: 1.284
Breakeven Range: ±400 points from current

📈 Top 5 Call Strikes:
call_score
strike
22350 0.574
22300 0.561
22250 0.549
22200 0.531
22150 0.519

📉 Top 5 Put Strikes:
put_score
strike
22000 0.679
22050 0.674
21950 0.659
22100 0.624
21900 0.594

[admin]

@mistrymah

Please let us know which API are you using to Login.