Make KMeans model from Longitude & Latitude and get clusters

I'm trying to run the lines of code below but I keep getting this error: TypeError: '(['Latitude'], ['Longitude'])' is an invalid key

# Make KMeans model from Longitude & Latitude and get clusters

from sklearn.cluster import KMeans

X_train_lat_long = train_df[['Latitude'], ['Longitude']].to_numpy()
kmeans = KMeans(n_clusters=4).fit(X_train_lat_long)
kmeans.labels_

source https://stackoverflow.com/questions/74055373/make-kmeans-model-from-longitude-latitude-and-get-clusters

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