diff --git a/rowers/interactiveplots.py b/rowers/interactiveplots.py
index 6f2b42e0..57ed3723 100644
--- a/rowers/interactiveplots.py
+++ b/rowers/interactiveplots.py
@@ -354,6 +354,17 @@ def interactive_boxchart(datadf, fieldname, extratitle='',
 
 
 def interactive_planchart(data, startdate, enddate):
+    # data = data.melt(id_vars=['startdate'], value_vars=['executed', 'planned'])
+
+    data = data.with_columns((pl.col("startdate").apply(lambda x: x.strftime("%Y-%m-%d"))).alias("startdate"))
+    data_dict = data.to_dicts()
+    chart_data = {
+        'data': data_dict,
+    }
+
+    script, div = get_chart("/plan", chart_data, debug=False)
+    return script, div
+    
     hv.extension('bokeh')
 
     yaxmaximum = data['executed'].max()
diff --git a/rowers/plannedsessions.py b/rowers/plannedsessions.py
index 3ecda13e..dc2c4a08 100644
--- a/rowers/plannedsessions.py
+++ b/rowers/plannedsessions.py
@@ -25,6 +25,7 @@ from rowingdata import rower as rrower
 from rowingdata import rowingdata as rrdata
 import arrow
 import pandas as pd
+import polars as pl
 import json
 
 # Python
@@ -203,16 +204,8 @@ def get_execution_report(rower, startdate, enddate, plan=None):
             startdate__gte=enddate)
     else:  # pragma: no cover
         plans = TrainingPlan.objects.filter(rowers__in=[rower])
-        #plans2 = TrainingPlan.objects.filter(
-        #    enddate__lte=enddate, startdate__lte=enddate, rowers__in=[rower])
-        #plans = plans | plans2
-
-        #plans = plans.exclude(status=False).order_by("-enddate")
 
         if not plans:
-            # make week cycles here
-            # get monday before startdate
-
             micros = []
         else:
             sorted_plans = sorted(plans, key= lambda t: t.overlap(startdate,enddate))
@@ -313,7 +306,7 @@ def get_execution_report(rower, startdate, enddate, plan=None):
         planned += [plannedscore]
         executed += [actualscore]
 
-    data = pd.DataFrame({
+    data = pl.DataFrame({
         'startdate': startdates,
         'planned': planned,
         'executed': executed,
diff --git a/rowers/templates/trainingplan_chart.html b/rowers/templates/trainingplan_chart.html
index 3b1c5c11..bd8b523e 100644
--- a/rowers/templates/trainingplan_chart.html
+++ b/rowers/templates/trainingplan_chart.html
@@ -6,25 +6,22 @@
 
 
 {% block main %}
-<script src="https://cdn.pydata.org/bokeh/release/bokeh-3.1.1.min.js"></script>
-<script src="https://cdn.pydata.org/bokeh/release/bokeh-widgets-3.1.1.min.js"></script>
-<script async="true" type="text/javascript">
-  Bokeh.set_log_level("info");
-</script>
+<script src="https://code.jquery.com/jquery-1.9.1.min.js"></script>
 
 
 <h1>Training Plan - {{ plan.name }}</h1>
 
-{{ the_script | safe }}
 
 <ul class="main-content">
   <li class="grid_4">
-    <div id="theplot" class="flexplot">
-      {{ the_div|safe }}
-    </div>
+    {{ the_div|safe }}
   </li>
 </ul>
 
+<script src="https://d3js.org/d3.v6.js"></script>
+{{ the_script | safe }}
+
+
 {% endblock %}
 
 {% block scripts %}
diff --git a/rowers/views/planviews.py b/rowers/views/planviews.py
index e44609ac..eb0db639 100644
--- a/rowers/views/planviews.py
+++ b/rowers/views/planviews.py
@@ -3569,7 +3569,7 @@ def rower_trainingplan_execution_view(request,
     else:  # pragma: no cover
         data, message = get_execution_report(r, startdate, enddate)
 
-    if not data.empty:
+    if not data.is_empty():
         script, div = interactive_planchart(data, startdate, enddate)
     else:  # pragma: no cover
         script = ''