你好,我正在尝试使用dateutil模块中的relativedelta。 我想做前面提到的here,给一个给定的datetime对象添加几个月。 但是我正在尝试使用Python 3来实现这一点,我得到了以下错误: Traceback (most recent call last):
File "bin/controller.py", line 2, in <module>
from dateutil.relativedelta import relativedelta
ImportError: No module named 'dateutil
当我试图安装dateutil时,我会产生这个错误
Collecting dateutil
Could not find a version that satisfies the requirement dateutil (from versions: )
No matching distribution found for dateutil
You are using pip version 10.0.1, however version 19.0.1 is available.
You should consider upgrading via the 'pip install
最近,我将使用pytz的解决方案迁移到了dateutil.tz。我用iPython测试了所有东西,它工作得很好。但是,在使用python进行生产时...错误! 谁能解释一下为什么Python和iPython处理导入的方式不同,以及是否有一种方法可以让python以与iPython相同的方式运行? $ python3
Python 3.8.5 (default, Jul 21 2020, 10:48:26)
Type "help", "copyright", "credits" or "license" for more inf
我对Linux很陌生,我试图安装节点、npm、纱线,然后安装vuejs/vitejs.我成功地安装了节点,npm和纱线,但是当我尝试用npm安装时,它说我有一个老版本的节点。
由于我安装了这些软件包,每当我尝试安装、删除或升级任何新的软件包时,我都会收到下面的错误。
Reading package lists... Done
Building dependency tree
Reading state information... Done
0 upgraded, 0 newly installed, 1 reinstalled, 0 to remove and 7 not up
我有一个使用pandas库的python脚本。但是当我尝试使用以下命令安装pandas时:
pip install pandas
上面写着:
Installing collected packages: pytz, six, python-dateutil, numpy, pandas
Successfully installed numpy-1.14.5 pandas-0.23.3 python-dateutil-2.7.3 pytz-2018.5 six-1.11.0
You are using pip version 8.1.1, however version 10.0.1 is av
我正试图把时间转化为划时代的时间。我得到的错误是:ValueError: time data '11/Jan/2014:08:33:48 -0800' does not match format '%d/%b/%Y:%H:%M:%S %Z'
import time
def epoch_time(epoch):
d = "11/Jan/2014:08:33:48 -0800"
p='%d/%b/%Y:%H:%M:%S %Z'
epoch = int(time.mktime(time.strptime(d,
我正在运行一个python脚本,该脚本使用以下包
from dateutil.parser import parse
该库包括以下内容
"""This will take any date string and format into the date format you want
Args:
date_str (string): Any date string
format (string): format you want
Example:
>&g
在虚拟环境中,我可以在我的Mac上使用pip install和import,执行以下操作:
设置虚拟环境:
Last login: Mon Oct 3 18:47:06 on ttys000
me-MacBook-Pro-3:~ me$ cd /Users/me/Desktop/
me-MacBook-Pro-3:Desktop me$ virtualenv env
New python executable in /Users/me/Desktop/env/bin/python
Installing setuptools, pip, wheel...done.
me-MacBook-Pro
我正在尝试为一组对象生成一个人类友好的字符串表示。为此,我尝试创建一个字典WEEKDAY_TO_NAME,它将对象映射到其字符串表示形式:
import dateutil.parser
from dateutil.rrule import weekdays as WEEKDAYS
WEEKDAY_NAMES = [name[1] for name in dateutil.parser.parserinfo.WEEKDAYS]
WEEKDAY_TO_NAME = dict(zip(WEEKDAYS, WEEKDAY_NAMES))
但是,这会导致一个
TypeError: unhashable
我正在尝试在生命周期配置中更新熊猫,并且遵循AWS的示例,我有下面的代码:
#!/bin/bash
set -e
# OVERVIEW
# This script installs a single pip package in a single SageMaker conda environments.
sudo -u ec2-user -i <<EOF
# PARAMETERS
PACKAGE=pandas
ENVIRONMENT=python3
source /home/ec2-user/anaconda3/bin/activate "$ENVIRONMENT&
我刚开始在Python 3.6.2中使用Rodeo。但在Windows10下导入statsmodels时出现错误,脚本如下:
import pandas as pd
import statsmodels.api as sm
import pylab as pl
import numpy as np
突出显示import statsmodels.api as sm并单击Run line时,会出现错误:
>>> import statsmodels.api as sm
ImportError: No module named 'statsmodels'
-----
我正在尝试构建OpenERP项目,使用依赖关系完成。它现在给出了这个错误
Traceback (most recent call last):
File "openerp-client.py", line 105, in <module>
File "modules\__init__.pyo", line 23, in <module>
File "modules\gui\__init__.pyo", line 22, in <module>
File "modules\gui\main
我和python3有点问题。出于某些我无法理解的原因,python3中可用的模块与通过pip3安装的模块不同。
在终端中运行pip3 list将返回:
DEPRECATION: The default format will switch to columns in the future. You can use --format=(legacy|columns) (or define a format=(legacy|columns) in your pip.conf under the [list] section) to disable this warning.
nltk (3.2.2