Update app.py

app.py

@@ -4,7 +4,7 @@ import numpy as np
 import json
 import math
 
-app = Flask(_name_)
+app = Flask(__name__)  # Corrected from _name_ to __name__
 
 # Load models
 xgb = joblib.load("xgb_model.pkl")
@@ -170,5 +170,5 @@ def calculate_requirements(area, coverage):
         ]
     }
 
-if _name_ == '_main_':
-    app.run(host='0.0.0.0', port=5000, debug=True)
+if __name__ == '__main__':  # Corrected from _name_ to __name__
+    app.run(host='0.0.0.0', port=5000, debug=True)