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JamSonsMacBook-Pro:~ congjam$ pip3 install pandas
Collecting pandas
Downloading https://files.pythonhosted.org/packages/ab/ba/f97030b7e8ec0a981abdca173de4e727b3a7b4ed5dba492f362ba87d59a2/pandas-1.0.1-cp37-cp37m-macosx_10_9_x86_64.whl (9.8MB)
29% |█████████▍ | 2.9MB 3.2kB/s eta 0:35:25Exception:
Traceback (most recent call last):
File "/usr/local/lib/python3.7/site-packages/pip/_vendor/urllib3/response.py", line 360, in _error_catcher
yield
File "/usr/local/lib/python3.7/site-packages/pip/_vendor/urllib3/response.py", line 442, in read
data = self._fp.read(amt)
File "/usr/local/lib/python3.7/site-packages/pip/_vendor/cachecontrol/filewrapper.py", line 62, in read
data = self.__fp.read(amt)
File "/usr/local/Cellar/python/3.7.0/Frameworks/Python.framework/Versions/3.7/lib/python3.7/http/client.py", line 447, in read
n = self.readinto(b)
File "/usr/local/Cellar/python/3.7.0/Frameworks/Python.framework/Versions/3.7/lib/python3.7/http/client.py", line 491, in readinto
n = self.fp.readinto(b)
File "/usr/local/Cellar/python/3.7.0/Frameworks/Python.framework/Versions/3.7/lib/python3.7/socket.py", line 589, in readinto
return self._sock.recv_into(b)
File "/usr/local/Cellar/python/3.7.0/Frameworks/Python.framework/Versions/3.7/lib/python3.7/ssl.py", line 1049, in recv_into
return self.read(nbytes, buffer)
File "/usr/local/Cellar/python/3.7.0/Frameworks/Python.framework/Versions/3.7/lib/python3.7/ssl.py", line 908, 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 "/usr/local/lib/python3.7/site-packages/pip/_internal/cli/base_command.py", line 179, in main
status = self.run(options, args)
File "/usr/local/lib/python3.7/site-packages/pip/_internal/commands/install.py", line 315, in run
resolver.resolve(requirement_set)
File "/usr/local/lib/python3.7/site-packages/pip/_internal/resolve.py", line 131, in resolve
self._resolve_one(requirement_set, req)
File "/usr/local/lib/python3.7/site-packages/pip/_internal/resolve.py", line 294, in _resolve_one
abstract_dist = self._get_abstract_dist_for(req_to_install)
File "/usr/local/lib/python3.7/site-packages/pip/_internal/resolve.py", line 242, in _get_abstract_dist_for
self.require_hashes
File "/usr/local/lib/python3.7/site-packages/pip/_internal/operations/prepare.py", line 334, in prepare_linked_requirement
progress_bar=self.progress_bar
File "/usr/local/lib/python3.7/site-packages/pip/_internal/download.py", line 878, in unpack_url
progress_bar=progress_bar
File "/usr/local/lib/python3.7/site-packages/pip/_internal/download.py", line 702, in unpack_http_url
progress_bar)
File "/usr/local/lib/python3.7/site-packages/pip/_internal/download.py", line 946, in _download_http_url
_download_url(resp, link, content_file, hashes, progress_bar)
File "/usr/local/lib/python3.7/site-packages/pip/_internal/download.py", line 639, in _download_url
hashes.check_against_chunks(downloaded_chunks)
File "/usr/local/lib/python3.7/site-packages/pip/_internal/utils/hashes.py", line 62, in check_against_chunks
for chunk in chunks:
File "/usr/local/lib/python3.7/site-packages/pip/_internal/download.py", line 607, in written_chunks
for chunk in chunks:
File "/usr/local/lib/python3.7/site-packages/pip/_internal/utils/ui.py", line 159, in iter
for x in it:
File "/usr/local/lib/python3.7/site-packages/pip/_internal/download.py", line 596, in resp_read
decode_content=False):
File "/usr/local/lib/python3.7/site-packages/pip/_vendor/urllib3/response.py", line 494, in stream
data = self.read(amt=amt, decode_content=decode_content)
File "/usr/local/lib/python3.7/site-packages/pip/_vendor/urllib3/response.py", line 459, in read
raise IncompleteRead(self._fp_bytes_read, self.length_remaining)
File "/usr/local/Cellar/python/3.7.0/Frameworks/Python.framework/Versions/3.7/lib/python3.7/contextlib.py", line 130, in exit
self.gen.throw(type, value, traceback)
File "/usr/local/lib/python3.7/site-packages/pip/_vendor/urllib3/response.py", line 365, 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.
You are using pip version 19.0.3, however version 20.0.2 is available.
You should consider upgrading via the 'pip install --upgrade pip' command.
输入python -m pip install -U pip，升级pip解决问题。
输入pip --version
JamSonsMacBook-Pro:~ congjam$ pip --version
pip 20.0.2 from /usr/local/lib/python3.7/site-packages/pip (python 3.7)