Update app.py

app.py

@@ -89,7 +89,7 @@ def format_zero(val):
     return val
 
 # Function to plot the triangle with all points in different colors and a legend
-def plot_triangle(x1, y1, x2, y2, x3, y3, I_x, I_y, Ux, Uy, G_x, G_y, midpoints):
+def plot_triangle(x1, y1, x2, y2, x3, y3, I_x, I_y, U_x, U_y, G_x, G_y, midpoints):
     fig, ax = plt.subplots(figsize=(8, 6))
     triangle = Polygon([(x1, y1), (x2, y2), (x3, y3)], closed=True, edgecolor='b', facecolor='lightblue')
     ax.add_patch(triangle)