bug fix

app.py

@@ -88,7 +88,8 @@ def generate_plot(df):
     axs[0, 1].plot(df.loc[df['Group'] == '7', 'Date'], df.loc[df['Group'] == '4', 'pred'], color = 'red')
     axs[1, 0].plot(df.loc[df['Group'] == '1', 'Date'], df.loc[df['Group'] == '4', 'pred'], color = 'red')
     axs[1, 1].plot(df.loc[df['Group'] == '6', 'Date'], df.loc[df['Group'] == '4', 'pred'], color = 'red')
-    
+
+    plt.xticks(rotation=45)
     plt.tight_layout()
     return fig, axs