环境:python 3.7 win7 X64 如果在命令后加上--no-setuptools,pip及wheel安装成功
报错原因:Python不能处理null这样的字符串 原文链接:https://blog.csdn.net/onlyanyz/article/details/45745045
具体错误如下File "D:/Ng-DL-HW/course2/week1/initialization/zero_init.py", line 96 SyntaxError: Non-ASCII character '\xe2' in file D:/Ng-DL-HW/course2/week1/initialization/zero_init.py on line 96, but no encoding declared; see http://python.org/dev/peps/pep-0263/ for details 报错原因1.SyntaxError: Non-ASCII character \xe2 in file意思是说,在文件中存在非ASCII字符; 2.ASCII是8位即一个字符,一共256个字...
【代码】# -*- coding:UTF-8 -*- import requests if __name__ == __main__:target = https://unsplash.com/req = requests.get(url=target)print(req.text) 【报错】 =================== RESTART: F:/PySouce/spiderphotos_1.py ===================Traceback (most recent call last): File "F:/PySouce/spiderphotos_1.py", line 6, in <module> print(req.text)UnicodeEncodeError: UCS-2 codec cant encode characters ...
在python3.x下使用如下代码: import cPickle as pk会报如下错误:ImportError: No module named cPickle 原因:python2有cPickle,但是在python3下,是没有cPickle的;解决办法:将cPickle改为pickle即可,代码如下: import pickle as pk python编程需要格外注意python2和python3,因为python3并不兼容ython2。--------------------- 转自:https://blog.csdn.net/zcf1784266476/article/details/70655192?utm_source=copy 版...
UnicodeDecodeError: gbk codec cant decode byte 0xa4 in position 127: illegal multibyte sequencepython读取文件时提示UnicodeDecodeError: gbk codec cant decode byte 0xa4 in position 127: illegal multibyte sequence 解决办法:FILE_OBJECT= open(order.log,r, encoding=UTF-8)
Python_报错:SyntaxError: EOL while scanning string literal 原因:python中,目录操作时,字符串的最后一个字符是斜杠,会导致出错,去掉\即可 上代码>>> import os >>> os.chdir(r"e:\")#字符串的最后一个字符是斜杠,会导致出错File "<stdin>", line 1os.chdir(r"e:\")^ SyntaxError: EOL while scanning string literal解决方法:去掉最后的\即可>>> import os >>> os.chdir(r"e:") >>>
Python运行后,报错:SyntaxError: (unicode error) unicodeescape codec cant decode bytes in position 2-3: truncated \UXXXXXXXX escape 原因:window 读取文件可以用\,但是在字符串中\是被当作转义字符来使用,经过转义之后可能就找不到路径的资源了,例如\t会转义为tab键 上代码:>>> def func1(path_name): ... import os ... if os.path.exists(path_name): ... return "True" ... else: ... ...
Python_报错:SyntaxError: unexpected character after line continuation character 原因:写入的文件内容不正确,应处理为字符串>>> import os >>> os.makedirs(time_year+"\\"+time_month+"\\"+time_day)#其中的time_year、time_month、time_day都是有赋值的变量 >>> os.chdir(time_year\time_month\time_day)#问题出在这里,写法不对File "<stdin>", line 1os.chdir(time_year\time_month\time_day)^ SyntaxError: unexpected...
安装locust遇到点问题折腾了好一会儿,记录一下。 使用命令pip install locustio提示python setup.py egg_info failed with error code 1,同时建议升级pip,但是pip升级了也还是报同样的错误。 后面突然想起我的python是去年安装的,到官网下载了最新的python版本重新安装。再pip install locustio 安装成功。
运行时报错:SyntaxError: break outside loop。 原因:break只能在for和while循环中使用。 报错的具体例子>>> def func(L): ... result = {} ... if not isinstance(L,list): ... print("类型不正确") ... break ...File "<stdin>", line 5 SyntaxError: break outside loop解决方法:>>> def func(L): ... result = {} ... while not isinstance(L,list): ... print("类型不正确") .....
写python的时候报错:Exception in thread 99: Traceback (most recent call last):File "/usr/lib64/python2.7/threading.py", line 812, in __bootstrap_innerself.run()File "thread.py", line 31, in runRunYun( a, b, c, d, e, f )File "thread.py", line 36, in RunYunDbProxy.instance.insert(a, b) TypeError: insert() takes exactly 2 arguments (3 given)明明定义的就是2个参数,为什么老是报错说少参数? 这个错误出现...
1、安装numpy报错: 需要python-dev/python-devel 解决方案: yum install python-devel2、安装matplotlib报错freetype,png:解决方案: yum -y install freetype-devel yum -y install libpng-devel3、 gcc: error trying to exec ‘cc1plus’: execvp: No such file or directory: 解决方案: yum install gcc-c++
我们在shell下运行Django的时候遇到这样的报错: C:\python\python3\lib\site-packages\django\db\backends\sqlite3\base.py:57: RuntimeWarning: SQLite received a naive datetime (2018-09-26 17:35:53.152861) while time zone support is active.RuntimeWarning)这个原因是我们在sitting.py中的设置有问题:我们只需把USE_TZ = False的true改为false就好了 修改前: 修改后:
前提条件之前为了测试一键安装脚本,安装了python3.7,却忘记了服务器上已经有了pythton3.6,然后正常添加了软连接到/usr/bin目录,其实测试并没有替换成功,因为我没有先删除软连接。 然后后面执行python send.py文件时,一直报错,百思不得其解: Traceback (most recent call last):File "src/send.py", line 6, in <module>from src.fetchData import get_day_list, get_today_hoursFile "/project/python/email/src/fetchData....