<｜begin▁of▁sentence｜>### Instruction:
If you are given an Astrophysics collaborations graph which can be read from a gml file named 'astro-ph.gml', can you apply the Label Propagation algorithm in cdlib to perform community detection, and subsequently generate a JSON representation of the detected communities?
### Response:
import networkx as nx
from cdlib import algorithms

# Create a graph
G = nx.read_gml('astro-ph.gml')

# Apply label propagation community detection algorithm
communities = algorithms.label_propagation(G)

# Generate a JSON representation of the resulting EdgeClustering object
json_representation = communities.to_json()

print(json_representation)
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