[Python] Subprocess fails in PyInstaller package

I'm working on PyInstaller Packaging. But subprocess isn't seem to be working. Subrocess part it getting stuck and not getting further. But i'm getting return code 0 error.

Test.py

import pandas
import os
import sys
import subprocess

if getattr(sys, 'frozen', False):
base_path = os.path.dirname(sys.executable)
else:
base_path = os.path.dirname(os.path.abspath(__file__))
t_path = os.path.join(base_path, "_internal", "T.py")
command = [sys.executable, f"{t_path}/Data/T.py"]
result = subprocess.run(command, capture_output=True, text=True)


T.py

import os
import sys
import pandas as pd

if getattr(sys, 'frozen', False):
base_path = os.path.dirname(sys.executable)
else:
base_path = os.path.dirname(os.path.abspath(__file__))

excel_path = os.path.join(base_path, 'Data', 'Data.xlsx')
df = pd.read_excel(excel_path)
print(df)


Test.spec

from PyInstaller.utils.hooks import collect_submodules

a = Analysis(
['Test.py'],
pathex=[],
binaries=[],
datas=[
('T.py', 'T.py'),
('Data/Data.xlsx', 'Data'),
],
hiddenimports=collect_submodules('pandas') + collect_submodules('openpyxl'),
hookspath=[],
hooksconfig={},
runtime_hooks=[],
excludes=[],
noarchive=False,
optimize=0,
)

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