Datatime parsed by from_dict and from_dicts are different

[Tatametheus]

What language are you using?

Python

Have you tried latest version of polars?

yes

If the problem was resolved, please update polars. :)

What version of polars are you using?

polars 0.13.59 pypi_0 pypi

What operating system are you using polars on?

Windows 11 Conda

What language version are you using

python 3.9.13

Describe your bug.

list of dicts

[{'symbol': 'SHSE.600000', 'open': 7.23, 'high': 7.25, 'low': 7.23, 'close': 7.25, 'eob': datetime.datetime(2022, 8, 1, 14, 56, tzinfo=tzfile('PRC')), 'amount': 417774.0, 'volume': 57695}, {'symbol': 'SHSE.600000', 'open': 7.25, 'high': 7.25, 'low': 7.23, 'close': 7.23, 'eob': datetime.datetime(2022, 8, 1, 14, 57, tzinfo=tzfile('PRC')), 'amount': 818076.0, 'volume': 113005}, {'symbol': 'SHSE.600000', 'open': 7.23, 'high': 7.23, 'low': 7.23, 'close': 7.23, 'eob': datetime.datetime(2022, 8, 1, 15, 0, tzinfo=tzfile('PRC')), 'amount': 6668280.0, 'volume': 922307}]

one dict

{'symbol': 'SHSE.600000', 'eob': datetime.datetime(2022, 8, 2, 9, 31, tzinfo=tzfile('PRC')), 'bob': datetime.datetime(2022, 8, 2, 9, 30, tzinfo=tzfile('PRC')), 'open': 7.22, 'close': 7.2, 'high': 7.22, 'low': 7.19, 'volume': 772000, 'amount': 5563492.0, 'pre_close': 0.0, 'position': 0, 'frequency': '60s', 'receive_local_time': 1659425273.225259}

using pl.from_dicts(data)
the datatime(PRC) is pased to datatime[ms]

┌─────────────┬──────┬──────┬──────┬───────┬─────────────────────┬───────────┬────────┐
│ symbol      ┆ open ┆ high ┆ low  ┆ close ┆ eob                 ┆ amount    ┆ volume │
│ ---         ┆ ---  ┆ ---  ┆ ---  ┆ ---   ┆ ---                 ┆ ---       ┆ ---    │
│ str         ┆ f64  ┆ f64  ┆ f64  ┆ f64   ┆ datetime[ms]        ┆ f64       ┆ i64    │
╞═════════════╪══════╪══════╪══════╪═══════╪═════════════════════╪═══════════╪════════╡
│ SHSE.600000 ┆ 7.23 ┆ 7.25 ┆ 7.23 ┆ 7.25  ┆ 2022-08-01 14:56:00 ┆ 417774.0  ┆ 57695  │
├╌╌╌╌╌╌╌╌╌╌╌╌╌┼╌╌╌╌╌╌┼╌╌╌╌╌╌┼╌╌╌╌╌╌┼╌╌╌╌╌╌╌┼╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌┼╌╌╌╌╌╌╌╌╌╌╌┼╌╌╌╌╌╌╌╌┤
│ SHSE.600000 ┆ 7.25 ┆ 7.25 ┆ 7.23 ┆ 7.23  ┆ 2022-08-01 14:57:00 ┆ 818076.0  ┆ 113005 │
├╌╌╌╌╌╌╌╌╌╌╌╌╌┼╌╌╌╌╌╌┼╌╌╌╌╌╌┼╌╌╌╌╌╌┼╌╌╌╌╌╌╌┼╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌┼╌╌╌╌╌╌╌╌╌╌╌┼╌╌╌╌╌╌╌╌┤
│ SHSE.600000 ┆ 7.23 ┆ 7.23 ┆ 7.23 ┆ 7.23  ┆ 2022-08-01 15:00:00 ┆ 6.66828e6 ┆ 922307 │
└─────────────┴──────┴──────┴──────┴───────┴─────────────────────┴───────────┴────────┘

using pl.from_dict(data)
the datatime(PRC) is parsed to datetime[μs, PRC]

┌─────────────┬──────┬──────┬──────┬───────┬─────────────────────────┬────────────┬────────┐
│ symbol      ┆ open ┆ high ┆ low  ┆ close ┆ eob                     ┆ amount     ┆ volume │
│ ---         ┆ ---  ┆ ---  ┆ ---  ┆ ---   ┆ ---                     ┆ ---        ┆ ---    │
│ str         ┆ f64  ┆ f64  ┆ f64  ┆ f64   ┆ datetime[μs, PRC]       ┆ f64        ┆ i64    │
╞═════════════╪══════╪══════╪══════╪═══════╪═════════════════════════╪════════════╪════════╡
│ SHSE.600000 ┆ 7.22 ┆ 7.22 ┆ 7.19 ┆ 7.2   ┆ 2022-08-02 01:31:00 CST ┆ 5.563492e6 ┆ 772000 │

What are the steps to reproduce the behavior?

from datetime import datetime
import pytz
import polars as pl
tz  = pytz.timezone("PRC")
dt = datetime(2020,8,1,12,0,0,tzinfo=tz)
from_dict = pl.from_dict(
  {
    "dt":[dt]
  }  
)
from_dicts = pl.from_dicts([{
    "dt":dt
}])
print("------from_dict-----")
print(from_dict)
print("------from_dicts-----")
print(from_dicts)

------from_dict-----
shape: (1, 1)
┌─────────────────────────┐
│ dt                      │
│ ---                     │
│ datetime[μs, PRC]       │
╞═════════════════════════╡
│ 2020-08-01 03:54:00 CST │
└─────────────────────────┘
------from_dicts-----
shape: (1, 1)
┌─────────────────────┐
│ dt                  │
│ ---                 │
│ datetime[ms]        │
╞═════════════════════╡
│ 2020-08-01 12:00:00 │
└─────────────────────┘