ImportError: Missing optional dependency 'fastparquet'. fastparquet is required for parquet support. Use pip or conda to install fastparquet.
raise ImportError(msg) from None
ImportError: Missing optional dependency 'fastparquet'. fastparquet is required for parquet support. Use pip or conda to install fastparquet.
提示導入錯誤(msg)
導入錯誤:缺少可選依賴項“fastparquet”。fastparquet 需要parquet支持。使用pip或conda安裝fastparquet
如果原先存在，可卸掉pyarrow后，重新下載即可！
pip install pyarrow-2.0.0-cp37-cp37m-win_amd64.whl
分別安裝下邊兩個包
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！
