test: str for int casting

pages/1_📈_Plotting.py

@@ -57,9 +57,9 @@ if 'df_plot' in list(st.session_state.keys()):
         st.caption("Your visualization:")
         st.caption("df_plot:")
         st.dataframe(st.session_state.df_plot)
-        st.line_chart(st.session_state.df_plot, y=[str(v) for v in list(df_plot.columns)])
+        st.line_chart(st.session_state.df_plot, y=[int(v) for v in list(df_plot.columns)])
         st.caption("df_plot transposed:")
         st.dataframe(st.session_state.df_plot.transpose())
-        st.line_chart(st.session_state.df_plot.transpose(), y=[str(v) for v in list(df_plot.transpose().columns)])
+        st.line_chart(st.session_state.df_plot.transpose(), y=[int(v) for v in list(df_plot.transpose().columns)])
 elif df_base.empty and file:
     st.warning("Consider running outlier detection to clean your data!", icon="⚠️")