修复QA_DataStruct_Indicators.get_timerange((self, start, end, code=None) ， code为空时，应该返回日期段内所有的数据

[pchaos]

QUANTAXIS PR 😇

感谢您对于QUANTAXIS的项目的参与~ 🛠请在此完善一下最后的信息~

注意

• 如果非第一次fork, 请先将quantaxis 库的内容PR进您的项目进行更新, 然后再执行对于quantaxis的pr
• 请完善CHANGELOG再进行PR

PR前必看

请使用如下代码对要PR的代码进行格式化:

qa的 yapf格式也是从vnpy那拿来的 参见 https://github.com/vnpy/vnpy/blob/v2.0-DEV/.style.yapf

使用以下代码来格式化

pip install https://github.com/google/yapf/archive/master.zip
yapf -i --style .style.yapf <file>

🛠该PR主要解决的问题🛠:

修复QA_DataStruct_Indicators.get_timerange((self, start, end, code=None)
code为空时，应该返回日期段内所有的数据

作者信息:
时间:

[pep8speaks]

Hello @pchaos! Thanks for opening this PR. We checked the lines you've touched for PEP 8 issues, and found:

• In the file QUANTAXIS/QAData/QAIndicatorStruct.py:

Line 72:80: E501 line too long (88 > 79 characters)
Line 74:80: E501 line too long (94 > 79 characters)

• In the file QUANTAXIS_Test/QAData_Test/test_QAIndicatorStruct.py:

Line 18:80: E501 line too long (81 > 79 characters)
Line 25:80: E501 line too long (87 > 79 characters)
Line 32:47: E203 whitespace before ','
Line 32:80: E501 line too long (110 > 79 characters)
Line 35:5: E303 too many blank lines (2)
Line 35:80: E501 line too long (80 > 79 characters)
Line 38:80: E501 line too long (99 > 79 characters)
Line 44:80: E501 line too long (92 > 79 characters)
Line 47:80: E501 line too long (95 > 79 characters)
Line 48:31: E128 continuation line under-indented for visual indent
Line 64:80: E501 line too long (113 > 79 characters)
Line 66:80: E501 line too long (113 > 79 characters)
Line 68:80: E501 line too long (113 > 79 characters)
Line 75:1: E305 expected 2 blank lines after class or function definition, found 1