Update app.py

app.py

@@ -1,8 +1,7 @@
 import streamlit as st
-import altair as alt
+import plotly.express as px
 import pandas as pd
 import numpy as np
-import plotly.express as px  # Importar plotly.express
 
 # Configuración de la página
 st.set_page_config(page_title="Generador de Gráficos Personalizado", layout="wide")
@@ -146,20 +145,16 @@ else:
         else:
             fig.update_traces(marker_color=color, marker_line_color=border_color, marker_line_width=border_width)
     elif chart_type == "Barras":
-        bar_data = data.melt('X', var_name='variable', value_name='value')
-        bar_chart = alt.Chart(bar_data).mark_bar().encode(
-            x=alt.X('X:N' if not horizontal_bars else 'value:Q', title=x_label if not horizontal_bars else y_label),
-            y=alt.Y('value:Q' if not horizontal_bars else 'X:N', title=y_label if not horizontal_bars else x_label),
-            color='variable:N' if use_multiple_colors else alt.value(colors[0]),
-            tooltip=['X:N', 'value:Q']
-        ).properties(
-            width=graph_width,
-            height=graph_height,
-            title=chart_title
-        )
-        if stacked_bars:
-            bar_chart = bar_chart.encode(y=alt.Y('value:Q', stack='zero' if not horizontal_bars else None))
-        st.altair_chart(bar_chart, use_container_width=True)
+        if horizontal_bars:
+            fig = px.bar(data, x=y_names_list, y="X", orientation='h', barmode='stack' if stacked_bars else 'group')
+        else:
+            fig = px.bar(data, x="X", y=y_names_list, barmode='stack' if stacked_bars else 'group')
+        fig.update_traces(hovertemplate=hovertemplate)
+        if use_multiple_colors:
+            fig.update_traces(marker_color=colors[:len(x)], marker_line_color=border_colors[:len(x)], marker_line_width=border_width)
+        else:
+            fig.update_traces(marker_color=color, marker_line_color=border_color, marker_line_width=border_width)
+        fig.update_layout(bargap=0.2)
     elif chart_type == "Donut":
         figs = []
         for i, y_name in enumerate(y_names_list):
@@ -186,7 +181,7 @@ else:
             st.plotly_chart(fig)
 
     # Añadir anotación para el título
-    if chart_type != "Donut" and chart_type != "Barras":
+    if chart_type != "Donut":
         fig.update_layout(
             title=dict(
                 text=f"{chart_title}",