成功解决raise ImportError(msg) from None
ImportError: Missing optional dependency 'fastparquet'. fastparquet is required for parquet support. Use pip or conda to install fastparquet.
目录
raise ImportError(msg) from None
ImportError: Missing optional dependency 'fastparquet'. fastparquet is required for parquet support. Use pip or conda to install fastparquet.
提示导入错误(msg)
导入错误:缺少可选依赖项“fastparquet”。fastparquet 需要parquet支持。使用pip或conda安装fastparquet
如果原先存在,可卸掉pyarrow后,重新下载即可!
pip install pyarrow-2.0.0-cp37-cp37m-win_amd64.whl
分别安装下边两个包
- pip install fastparquet
- pip install --upgrade -i https://pypi.tuna.tsinghua.edu.cn/simple pyarrow
- pip --default-timeout=1000 install --upgrade -i https://pypi.tuna.tsinghua.edu.cn/simple fastparquet
- (base) C:\Users\niu>conda install -i https://pypi.tuna.tsinghua.edu.cn/simple fastparquet
- usage: conda-script.py [-h] [-V] command ...
- conda-script.py: error: unrecognized arguments: -i
-
- (base) C:\Users\niuyayun>conda install fastparquet
- Collecting package metadata (current_repodata.json): done
- Solving environment: |
- The environment is inconsistent, please check the package plan carefully
- The following packages are causing the inconsistency:
-
- - defaults/win-64::anaconda==2020.02=py37_0
- - defaults/win-64::bkcharts==0.2=py37_0
- - defaults/noarch::dask==2.11.0=py_0
- - defaults/noarch::seaborn==0.10.0=py_0
- - defaults/win-64::statsmodels==0.11.0=py37he774522_0
- failed with initial frozen solve. Retrying with flexible solve.
- Solving environment: done
- Collecting package metadata (repodata.json): done
- Solving environment: /
- The environment is inconsistent, please check the package plan carefully
- The following packages are causing the inconsistency:
-
- - defaults/win-64::anaconda==2020.02=py37_0
- - defaults/win-64::bkcharts==0.2=py37_0
- - defaults/noarch::dask==2.11.0=py_0
- - defaults/noarch::seaborn==0.10.0=py_0
- - defaults/win-64::statsmodels==0.11.0=py37he774522_0
- done
-
- Package Plan
-
- environment location: D:\ProgramData\Anaconda3
-
- added / updated specs:
- - fastparquet
-
-
- The following packages will be downloaded:
-
- package | build
- ---------------------------|-----------------
- _anaconda_depends-2020.02 | py37_0 6 KB
- anaconda-custom | py37_1 3 KB
- ca-certificates-2020.10.14 | 0 122 KB
- certifi-2020.6.20 | py37_0 156 KB
- conda-4.9.0 | py37_0 2.9 MB
- fastparquet-0.4.1 | py37h2a96729_0 3.4 MB
- openssl-1.1.1h | he774522_0 4.8 MB
- pandas-1.1.3 | py37ha925a31_0 7.3 MB
- thrift-0.11.0 | py37h6538335_0 102 KB
- ------------------------------------------------------------
- Total: 18.8 MB
-
- The following NEW packages will be INSTALLED:
-
- _anaconda_depends pkgs/main/win-64::_anaconda_depends-2020.02-py37_0
- fastparquet pkgs/main/win-64::fastparquet-0.4.1-py37h2a96729_0
- pandas pkgs/main/win-64::pandas-1.1.3-py37ha925a31_0
- thrift pkgs/main/win-64::thrift-0.11.0-py37h6538335_0
-
- The following packages will be UPDATED:
-
- ca-certificates 2020.1.1-0 --> 2020.10.14-0
- certifi 2019.11.28-py37_0 --> 2020.6.20-py37_0
- conda 4.8.2-py37_0 --> 4.9.0-py37_0
- openssl 1.1.1d-he774522_4 --> 1.1.1h-he774522_0
-
- The following packages will be DOWNGRADED:
-
- anaconda 2020.02-py37_0 --> custom-py37_1
-
-
- Proceed ([y]/n)? pip install fastparquet
- Invalid choice: pip install fastparquet
- Proceed ([y]/n)?
-
-
- Downloading and Extracting Packages
- _anaconda_depends-20 | 6 KB | | 100%
- conda-4.9.0 | 2.9 MB | | 100%
- pandas-1.1.3 | 7.3 MB | | 100%
- certifi-2020.6.20 | 156 KB | | 100%
- anaconda-custom | 3 KB | | 100%
- ca-certificates-2020 | 122 KB | | 100%
- thrift-0.11.0 | 102 KB | | 100%
- fastparquet-0.4.1 | 3.4 MB | | 100%
- openssl-1.1.1h | 4.8 MB | | 100%
- Preparing transaction: done
- Verifying transaction: done
- Executing transaction: done
哈哈,大功告成!
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