问“未定义名称'pygeos‘”

EN

USE_PYGEOS=1

import pyproj
import shapely
import pandas as pd
pd.options.display.max_rows = 100
import geopandas as gpd
import numpy as np
import sklearn
import matplotlib.pyplot as plt


gpd.show_versions()
print(gpd.options.use_pygeos)

location_df = pd.read_csv("location_01-03_01-04.csv", sep = ";")

import rtree
import pygeos

gpd.options.use_pygeos = True
#Point is (longitude, latitude)
# Function making geopandas points of latitude, longitude
location_geo = gpd.GeoDataFrame(location_df, crs = 'EPSG:4326', geometry = gpd.points_from_xy(location_df.longitude, location_df.latitude))

departments_df = gpd.read_file("departements.geojson", sep = ";")
print(departments_df)
import time
start = time.time()
print("hello")
import geopandas
import rtree

# Function to check wether a department contains a position - returns the department of the position. NaN values are probably in another country
dept_points = geopandas.sjoin(location_geo, departments_df)
end = time.time()
print(end-start, ' s')
print(dept_points)