Fix for wrong export of trips.csv

src/recommender.py

@@ -78,7 +78,6 @@ def get_similar_cities(df, city_dict, cities, n_of_matches):
 def load_data(folder="../data/"):
     df_trips = pd.read_csv(f"{folder}trips.csv", sep='\s*,\s*', encoding='utf-8')
     df_trips.city = pd.Series([ str(city).lower().replace(' ', '-') for city in df_trips.city.values])
-    df_trips = df_trips.drop(["Unnamed: 0"], axis=1)
     df_trips["trip_duration"] = pd.to_timedelta(df_trips["trip_duration"])
     df_cities = pd.read_csv(f"{folder}cities_stats_full.csv", encoding='utf-8')
     return df_trips, df_cities
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