Switch to using polars

db.py

@@ -5,7 +5,6 @@ from datetime import datetime
 from dateutil.relativedelta import relativedelta
 from urllib.parse import urlparse
 from flask import g
-import pandas as pd
 from features.exercises import Exercises
 from features.people_graphs import PeopleGraphs
 from features.person_overview import PersonOverview
@@ -62,13 +61,7 @@ class DataBase():
 
         return (rv[0] if rv else None) if one else rv
     
-    def read_sql_as_df(self, query, params=None):
-        conn = self.getDB()
-        try:
-            df = pd.read_sql(query, conn, params=params)
-            return df
-        except Exception as e:
-            raise e
+
 
     def get_exercise(self, exercise_id):
         exercise = self.execute(