验证灌溉流量与阀门状态一致性

def solve():
    from pyodide.http import open_url
    from io import StringIO
    import pandas as pd, json
    payloads_csv = open_url(____).read()
    payloads = pd.read_csv(StringIO(____))
    FLOW_THRESHOLD = ____
    def check_valve_flow(____):
        try: p = json.loads(____)
        except: return None
        valve_states = p.get(____)
        flow_rate = p.get(____)
        all_closed = all(not v for v in valve_states.values())
        if all_closed and flow_rate > FLOW_THRESHOLD:
            return {'____':'____','____':flow_rate,'____':True}
        return None
    fert_payloads = payloads[payloads['____']=='____']
    for _, row in fert_payloads.iterrows():
        alert = check_valve_flow(____)
        if alert:
            print("____"+str(____)+"____"+row['____']+"____"+str(____))
        else:
            print("____"+str(____)+"____"+row['____'])