df = fdr.DataReader('KRX-DELISTING') 실행시 오류 발생하고 있습니다.
확인 요청드립니다.
감사합니다.

JSONDecodeError Traceback (most recent call last)
Cell In[1], line 3
1 import pandas as pd
2 import FinanceDataReader as fdr
----> 3 df = fdr.StockListing('KRX-DELISTING')

File C:\ProgramData\anaconda3\Lib\site-packages\FinanceDataReader\data.py:160, in StockListing(market)
158 return NaverStockListing(market).read()
159 elif market in ['KRX-DELISTING' ]:
--> 160 return KrxDelisting(market).read()
161 elif market in ['KRX-ADMINISTRATIVE', 'KRX-ADMIN' ]:
162 return KrxAdministrative(market).read()

File C:\ProgramData\anaconda3\Lib\site-packages\FinanceDataReader\krx\listing.py:135, in KrxDelisting.read(self)
133 url = 'http://data.krx.co.kr/comm/bldAttendant/getJsonData.cmd'
134 r = requests.post(url, data, headers=self.headers)
--> 135 j = json.loads(r.text)
136 df = pd.DataFrame(j['output'])
137 col_map = {'ISU_CD':'Symbol', 'ISU_NM':'Name', 'MKT_NM':'Market',
138 'SECUGRP_NM':'SecuGroup', 'KIND_STKCERT_TP_NM':'Kind',
139 'LIST_DD': 'ListingDate', 'DELIST_DD':'DelistingDate', 'DELIST_RSN_DSC':'Reason',
140 'ARRANTRD_MKTACT_ENFORCE_DD':'ArrantEnforceDate', 'ARRANTRD_END_DD':'ArrantEndDate',
141 'IDX_IND_NM':'Industry', 'PARVAL':'ParValue', 'LIST_SHRS':'ListingShares',
142 'TO_ISU_SRT_CD':'ToSymbol', 'TO_ISU_ABBRV':'ToName' }

File C:\ProgramData\anaconda3\Lib\json_init_.py:346, in loads(s, cls, object_hook, parse_float, parse_int, parse_constant, object_pairs_hook, **kw)
341 s = s.decode(detect_encoding(s), 'surrogatepass')
343 if (cls is None and object_hook is None and
344 parse_int is None and parse_float is None and
345 parse_constant is None and object_pairs_hook is None and not kw):
--> 346 return _default_decoder.decode(s)
347 if cls is None:
348 cls = JSONDecoder

File C:\ProgramData\anaconda3\Lib\json\decoder.py:337, in JSONDecoder.decode(self, s, _w)
332 def decode(self, s, _w=WHITESPACE.match):
333 """Return the Python representation of s (a str instance
334 containing a JSON document).
335
336 """
--> 337 obj, end = self.raw_decode(s, idx=_w(s, 0).end())
338 end = _w(s, end).end()
339 if end != len(s):

File C:\ProgramData\anaconda3\Lib\json\decoder.py:355, in JSONDecoder.raw_decode(self, s, idx)
353 obj, end = self.scan_once(s, idx)
354 except StopIteration as err:
--> 355 raise JSONDecodeError("Expecting value", s, err.value) from None
356 return obj, end

JSONDecodeError: Expecting value: line 1 column 1 (char 0)