fix() price ATC

[hungdq11]

What this PR does / why we need it

• add a try-except block to retrieve the price At The Close in price_depth

  What is the purpose of your pull request?

• [x] Bug fix
• [ ] Improvement
• [ ] New feature

  Special notes for your reviewer

• JSON sample for this case

  [
  {
  "id": 2100,
  "sym": "TAR",
  "mc": "02",
  "c": 19.4,
  "f": 16,
  "r": 17.7,
  "lastPrice": 17.9,
  "lastVolume": 9300,
  "lot": 378440,
  "ot": "0.20",
  "changePc": "1.13",
  "avePrice": "18.10",
  "highPrice": "18.40",
  "lowPrice": "17.70",
  "fBVol": "0",
  "fBValue": "0",
  "fSVolume": "0",
  "fSValue": "0",
  "fRoom": "0",
  "g1": "ATC|1240|e",
  "g2": "18.10|500|i",
  "g3": "18.00|4550|i",
  "g4": "ATC|8250|e",
  "g5": "17.80|900|i",
  "g6": "17.90|150|i",
  "g7": "65040|161650|e",
  "mp": "0%",
  "CWUnderlying": "",
  "CWIssuerName": "",
  "CWType": "",
  "CWMaturityDate": "",
  "CWLastTradingDate": "",
  "CWExcersisePrice": "0",
  "CWExerciseRatio": "",
  "CWListedShare": "0.00",
  "sType": "S",
  "sBenefit": "0"
  }
  ]

• Got the error:

  df[col] = df[col].astype(float)*1000
            ^^^^^^^^^^^^^^^^^^^^^
  ...
  return arr.astype(dtype, copy=True)
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  ValueError: could not convert string to float: 'ATC'