TomlDecodeError: Key group not on a line by itself

streamlit hello
Traceback (most recent call last):
File “c:\users\vidhi\anaconda3\lib\runpy.py”, line 193, in run_module_as_main
main”, mod_spec)
File “c:\users\vidhi\anaconda3\lib\runpy.py”, line 85, in run_code
exec(code, run_globals)
File "C:\Users\VIDHI\anaconda3\Scripts\streamlit.exe_main
.py", line 4, in
File "c:\users\vidhi\anaconda3\lib\site-packages\streamlit_init
.py", line 99, in
from streamlit.delta_generator import DeltaGenerator as _DeltaGenerator
File “c:\users\vidhi\anaconda3\lib\site-packages\streamlit\delta_generator.py”, line 19, in
from streamlit import caching
File “c:\users\vidhi\anaconda3\lib\site-packages\streamlit\caching.py”, line 40, in
from streamlit.hashing import Context
File “c:\users\vidhi\anaconda3\lib\site-packages\streamlit\hashing.py”, line 39, in
from streamlit.folder_black_list import FolderBlackList
File “c:\users\vidhi\anaconda3\lib\site-packages\streamlit\folder_black_list.py”, line 39, in
if config.get_option(“global.developmentMode”):
File “c:\users\vidhi\anaconda3\lib\site-packages\streamlit\config.py”, line 86, in get_option
parse_config_file()
File “c:\users\vidhi\anaconda3\lib\site-packages\streamlit\config.py”, line 981, in parse_config_file
_update_config_with_toml(file_contents, filename)
File “c:\users\vidhi\anaconda3\lib\site-packages\streamlit\config.py”, line 897, in _update_config_with_toml
parsed_config_file = toml.loads(raw_toml)
File “c:\users\vidhi\anaconda3\lib\site-packages\toml\decoder.py”, line 434, in loads
original, pos)
toml.decoder.TomlDecodeError: Key group not on a line by itself. (line 1 column 1 char 0)

Unable to fix this error