get_transaction not working with transactionId

[mwhchen]

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Description of Bug

client.get_transaction(acctId, txnId) returns not found although txnId is definitely valid.
Note, however client.get_transaction(acctId, '') works

Code to Reproduce

### Get valid txnIds from get_transactions - this function is working
r = client.get_transactions(config.account_number, 
	transaction_type= client.Transactions.TransactionType.ALL,
	start_date= datetime.date(2020, 12, 29), 
	end_date= datetime.date(2020, 12, 29))
print(json.dumps(r.json(), indent=4))

### use a txnId to put into get_transaction
ID = r.json()[0]['transactionId']

# print(f'*'*20)
# print(f'ID = {ID}') # to make sure it got a valid transactionId
# print(f'*'*20)

r = client.get_transaction(config.account_number, ID)
print(r)
print(json.dumps(r.json(), indent=4))

### BEGIN REDACTED LOGS ###

[debug.py:163:_enable_bug_report_logging] tda-api version 1.3.2
[auth.py:37:load_token] Loading token from file token
[auth.py:153:from_loaded_token] Loaded metadata aware token with creation timestamp 1619697675
[auth.py:56:__normalize_api_key] Appending @AMER.OAUTHAP to API key
[auth.py:418:easy_client] Returning client loaded from token file 'token'
[auth.py:207:ensure_refresh_token_update] Updating refresh token:
 - Current timestamp is 1622220982
 - Token creation timestamp is 1619697675
 - Update interval is 7344000 seconds
[auth.py:217:ensure_refresh_token_update] Skipping refresh token update
[synchronous.py:14:_get_request] Req 1: GET to https://api.tdameritrade.com/v1/accounts/<REDACTED 0-transactionItem-accountId>/transactions, params={
    "apikey": "<REDACTED API_KEY>",
    "type": "ALL",
    "startDate": "2020-12-29",
    "endDate": "2020-12-29"
}
[base.py:59:_log_response] Req 1: GET response: 200, content=[ {
  "type" : "TRADE",
  "subAccount" : "2",
  "settlementDate" : "2020-12-31",
  "orderId" : "<REDACTED 0-orderId>",
  "netAmount" : ,REDACTED>,
  "transactionDate" : "2020-12-29T15:13:35+0000",
  "orderDate" : "2020-12-29T15:01:24+0000",
  "transactionSubType" : "BY",
  "transactionId" : <REDACTED 0-transactionId>,
  "cashBalanceEffectFlag" : true,
  "description" : "BUY TRADE",
  "fees" : {
    "rFee" : 0.0,
    "additionalFee" : 0.0,
    "cdscFee" : 0.0,
    "regFee" : 0.0,
    "otherCharges" : 0.0,
    "commission" : 0.0,
    "optRegFee" : 0.0,
    "secFee" : 0.0
  },
  "transactionItem" : {
    "accountId" : <REDACTED 0-transactionItem-accountId>,
    "amount" : <REDACTED>,
    "price" : <REDACTED>,
    "cost" : <REDACTED>,
    "instruction" : "BUY",
    "instrument" : {
      "symbol" : “REDACTED TICKER”,
      "cusip" : “REDACTED”,
      "assetType" : "EQUITY"
    }
  }
} ]
[auth.py:207:ensure_refresh_token_update] Updating refresh token:
 - Current timestamp is 1622220983
 - Token creation timestamp is 1619697675
 - Update interval is 7344000 seconds
[auth.py:217:ensure_refresh_token_update] Skipping refresh token update
[synchronous.py:14:_get_request] Req 2: GET to https://api.tdameritrade.com/v1/accounts/<REDACTED 0-transactionItem-accountId>/transactions/<REDACTED 0-transactionId>, params={
    "apikey": "<REDACTED API_KEY>"
}
[base.py:59:_log_response] Req 2: GET response: 404, content={
  "error" : "Not Found"
}

Expected Behavior
Returns specific txn info of txnId

Actual Behavior
Error: Not found

Note that get_transaction(acctId, '') works. So, I suspect it may be the way a txnId is entered as an integer/ string that could be the problem. I've also tried typing int(txnId), str(txnId) - don't work

Error/Exception Log, If Applicable
See here to learn how to turn on debug logging: https://tda-api.readthedocs.io/en/latest/help.html