python installation

[karishmakusumanchi]

rs\datap>python --version
Python 3.9.6

C:\Users\datap>pip --version
pip 21.1.3 from c:\program files\python39\lib\site-packages\pip (python 3.9)

C:\Users\datap>pip install nltk
Defaulting to user installation because normal site-packages is not writeable
Collecting nltk
Downloading nltk-3.9.1-py3-none-any.whl (1.5 MB)
|████▌ | 204 kB 2.2 MB/s eta 0:00:01ERROR: Exception:
Traceback (most recent call last):
File "c:\program files\python39\lib\site-packages\pip_vendor\urllib3\response.py", line 438, in _error_catcher
yield
File "c:\program files\python39\lib\site-packages\pip_vendor\urllib3\response.py", line 519, in read
data = self._fp.read(amt) if not fp_closed else b""
File "c:\program files\python39\lib\site-packages\pip_vendor\cachecontrol\filewrapper.py", line 62, in read
data = self.__fp.read(amt)
File "c:\program files\python39\lib\http\client.py", line 459, in read
n = self.readinto(b)
File "c:\program files\python39\lib\http\client.py", line 503, in readinto
n = self.fp.readinto(b)
File "c:\program files\python39\lib\socket.py", line 704, in readinto
return self._sock.recv_into(b)
File "c:\program files\python39\lib\ssl.py", line 1241, in recv_into
return self.read(nbytes, buffer)
File "c:\program files\python39\lib\ssl.py", line 1099, in read
return self._sslobj.read(len, buffer)
socket.timeout: The read operation timed out

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "c:\program files\python39\lib\site-packages\pip_internal\cli\base_command.py", line 180, in _main
status = self.run(options, args)
File "c:\program files\python39\lib\site-packages\pip_internal\cli\req_command.py", line 205, in wrapper
return func(self, options, args)
File "c:\program files\python39\lib\site-packages\pip_internal\commands\install.py", line 318, in run
requirement_set = resolver.resolve(
File "c:\program files\python39\lib\site-packages\pip_internal\resolution\resolvelib\resolver.py", line 127, in resolve
result = self._result = resolver.resolve(
File "c:\program files\python39\lib\site-packages\pip_vendor\resolvelib\resolvers.py", line 473, in resolve
state = resolution.resolve(requirements, max_rounds=max_rounds)
File "c:\program files\python39\lib\site-packages\pip_vendor\resolvelib\resolvers.py", line 341, in resolve
name, crit = self._merge_into_criterion(r, parent=None)
File "c:\program files\python39\lib\site-packages\pip_vendor\resolvelib\resolvers.py", line 172, in _merge_into_criterion
if not criterion.candidates:
File "c:\program files\python39\lib\site-packages\pip_vendor\resolvelib\structs.py", line 139, in bool
return bool(self._sequence)
File "c:\program files\python39\lib\site-packages\pip_internal\resolution\resolvelib\found_candidates.py", line 143, in bool
return any(self)
File "c:\program files\python39\lib\site-packages\pip_internal\resolution\resolvelib\found_candidates.py", line 129, in
return (c for c in iterator if id(c) not in self._incompatible_ids)
File "c:\program files\python39\lib\site-packages\pip_internal\resolution\resolvelib\found_candidates.py", line 33, in _iter_built
candidate = func()
File "c:\program files\python39\lib\site-packages\pip_internal\resolution\resolvelib\factory.py", line 200, in _make_candidate_from_link
self._link_candidate_cache[link] = LinkCandidate(
File "c:\program files\python39\lib\site-packages\pip_internal\resolution\resolvelib\candidates.py", line 306, in init
super().init(
File "c:\program files\python39\lib\site-packages\pip_internal\resolution\resolvelib\candidates.py", line 151, in init
self.dist = self._prepare()
File "c:\program files\python39\lib\site-packages\pip_internal\resolution\resolvelib\candidates.py", line 234, in _prepare
dist = self._prepare_distribution()
File "c:\program files\python39\lib\site-packages\pip_internal\resolution\resolvelib\candidates.py", line 317, in _prepare_distribution
return self._factory.preparer.prepare_linked_requirement(
File "c:\program files\python39\lib\site-packages\pip_internal\operations\prepare.py", line 508, in prepare_linked_requirement
return self._prepare_linked_requirement(req, parallel_builds)
File "c:\program files\python39\lib\site-packages\pip_internal\operations\prepare.py", line 550, in _prepare_linked_requirement
local_file = unpack_url(
File "c:\program files\python39\lib\site-packages\pip_internal\operations\prepare.py", line 239, in unpack_url
file = get_http_url(
File "c:\program files\python39\lib\site-packages\pip_internal\operations\prepare.py", line 102, in get_http_url
from_path, content_type = download(link, temp_dir.path)
File "c:\program files\python39\lib\site-packages\pip_internal\network\download.py", line 157, in call
for chunk in chunks:
File "c:\program files\python39\lib\site-packages\pip_internal\cli\progress_bars.py", line 152, in iter
for x in it:
File "c:\program files\python39\lib\site-packages\pip_internal\network\utils.py", line 62, in response_chunks
for chunk in response.raw.stream(
File "c:\program files\python39\lib\site-packages\pip_vendor\urllib3\response.py", line 576, in stream
data = self.read(amt=amt, decode_content=decode_content)
File "c:\program files\python39\lib\site-packages\pip_vendor\urllib3\response.py", line 541, in read
raise IncompleteRead(self._fp_bytes_read, self.length_remaining)
File "c:\program files\python39\lib\contextlib.py", line 135, in exit
self.gen.throw(type, value, traceback)
File "c:\program files\python39\lib\site-packages\pip_vendor\urllib3\response.py", line 443, in _error_catcher
raise ReadTimeoutError(self._pool, None, "Read timed out.")
pip._vendor.urllib3.exceptions.ReadTimeoutError: HTTPSConnectionPool(host='files.pythonhosted.org', port=443): Read timed out.
WARNING: You are using pip version 21.1.3; however, version 25.0.1 is available.
You should consider upgrading via the 'c:\program files\python39\python.exe -m pip install --upgrade pip' command.