fixed intentation

app.py

@@ -21,11 +21,11 @@ if len(uploaded_files) == 3:
         scan_line = pixels[line_pos, :]
         scan_lines.append(scan_line)
 
-plt.figure(figsize=(10, 6))
-for i, (line, file) in enumerate(zip(scan_lines, uploaded_files)):
-    plt.plot(line, label=f'{file.name}')
-plt.xlabel('Pixel Position')
-plt.ylabel('Pixel Value')
-plt.title('Comparison of Scan Lines Across Images')
-plt.legend(loc='upper right', framealpha=0.5)
-st.pyplot(plt)
+    plt.figure(figsize=(10, 6))
+    for i, (line, file) in enumerate(zip(scan_lines, uploaded_files)):
+        plt.plot(line, label=f'{file.name}')
+    plt.xlabel('Pixel Position')
+    plt.ylabel('Pixel Value')
+    plt.title('Comparison of Scan Lines Across Images')
+    plt.legend(loc='upper right', framealpha=0.5)
+    st.pyplot(plt)