Crash while enforcing unique constraint on string property of nodes. about falkordb HOT 4 CLOSED

from falkordb import FalkorDB, Node
from redis.exceptions import ResponseError

def reset_graph(use_constraints=False, port=8080):
    # Connect to FalkorDB
    db = FalkorDB(host='localhost', port=port)
    graph = db.select_graph('Page')
    try:
        graph.delete()
    except ResponseError:
        pass
    for index, url in enumerate(['https://en.wikipedia.org/wiki/Napoleon']):
        node = Node(labels="Page", properties={'url':url})
        query = 'CREATE ' + (str(node))
        graph.query(query)
        
        if use_constraints:
            graph.create_node_unique_constraint('Page', 'url')
            graph.list_constraints()
            graph.drop_node_unique_constraint('Page', 'url')
        
    ct = graph.query("MATCH (n:Page) RETURN COUNT(n)").result_set[0][0]
    print("Graph reset, count=", ct)
    return graph

target_url_list = ['https://en.wikipedia.org/wiki/Assembly_language', 'https://en.wikipedia.org/wiki/Sabbatical']

# ---- NO CONSTRAINT SET ---- # 
graph = reset_graph(use_constraints=False)
insert_query = graph.query("""
        WITH $target_urls AS target_urls_list
        UNWIND target_urls_list AS target_url
        MATCH (src:Page {url: $source_url})
        MERGE (tgt:Page {url: target_url})
        MERGE (src)-[:CONNECTED_TO]->(tgt)
        RETURN src
    """, params={"source_url": 'https://en.wikipedia.org/wiki/Napoleon', "target_urls": target_url_list})

ct = graph.query("MATCH (n:Page) RETURN COUNT(n)").result_set[0][0]
print(ct) # Prints 3
url_match_set = graph.query("MATCH (n:Page) RETURN n.url").result_set # Returns 3 URLs 

# ---- YES CONSTRAINT SET ---- # 
graph = reset_graph(use_constraints=True)
insert_query = graph.query("""
        WITH $target_urls AS target_urls_list
        UNWIND target_urls_list AS target_url
        MATCH (src:Page {url: $source_url})
        MERGE (tgt:Page {url: target_url})
        MERGE (src)-[:CONNECTED_TO]->(tgt)
    """, params={"source_url": 'https://en.wikipedia.org/wiki/Napoleon', "target_urls": target_url_list}) # --> SEGFAULT


# LONGER TARGET LIST 
target_list = ['https://www.worldcat.org/issn/0098-3500',
 'https://en.wikipedia.org/wiki/Assembly_language',
 'https://en.wikipedia.org/wiki/Sabbatical',
 'https://en.wikipedia.org/wiki/Kazushige_Goto',
 'https://en.wikipedia.org/wiki/Wikipedia:File_Upload_Wizard',
 'https://en.wikipedia.org/wiki/TFLOPS',
 'https://en.wikipedia.org/wiki/BSD_license',
 'https://en.wikipedia.org/wiki/Multiprocessing',
 'https://en.wikipedia.org/wiki/LAPACK']

graph = reset_graph(use_constraints=True)
insert_query = graph.query("""
        WITH $target_urls AS target_urls_list
        UNWIND target_urls_list AS target_url
        MATCH (src:Page {url: $source_url})
        MERGE (tgt:Page {url: target_url})
        MERGE (src)-[:CONNECTED_TO]->(tgt)
    """, params={"source_url": 'https://en.wikipedia.org/wiki/Napoleon', "target_urls": target_url_list})

ct = graph.query("MATCH (n:Page) RETURN COUNT(n)").result_set[0][0]
print(ct) # Returns 7??? 

url_match_set = graph.query("MATCH (n:Page) RETURN n.url").result_set
print(url_match_set) # Throws UnicodeDecodeError. Malformed URLs here.```