Anaconda version `GFORTRAN_1.4' not found

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#python #Anaconda #GFORTRAN

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本文记录了解决在使用Anaconda环境下Python 2.7版本中导入matplotlib库时出现的错误过程。通过卸载并重新安装特定的库来修复了与libgfortran.so.3版本不匹配导致的问题。

错误信息:

[root@biostacs /]# ipython
Python 2.7.11 |Anaconda 4.0.0 (64-bit)| (default, Dec  6 2015, 18:08:32)
Type "copyright", "credits" or "license" for more information.

IPython 5.0.0 -- An enhanced Interactive Python.
?         -> Introduction and overview of IPython's features.
%quickref -> Quick reference.
help      -> Python's own help system.
object?   -> Details about 'object', use 'object??' for extra details.

In [1]: import matplotlib
---------------------------------------------------------------------------
ImportError                               Traceback (most recent call last)
<ipython-input-1-82be63b7783c> in <module>()
----> 1 import matplotlib

/root/anaconda2/lib/python2.7/site-packages/matplotlib/__init__.py in <module>()
    120 # cbook must import matplotlib only within function
    121 # definitions, so it is safe to import from it here.
--> 122 from matplotlib.cbook import is_string_like, mplDeprecation, dedent, get_label
    123 from matplotlib.compat import subprocess
    124 from matplotlib.rcsetup import (defaultParams,

/root/anaconda2/lib/python2.7/site-packages/matplotlib/cbook.py in <module>()
     31 from weakref import ref, WeakKeyDictionary
     32
---> 33 import numpy as np
     34 import numpy.ma as ma
     35

/usr/lib/python2.7/site-packages/numpy/__init__.py in <module>()
    178         return loader(*packages, **options)
    179
--> 180     from . import add_newdocs
    181     __all__ = ['add_newdocs',
    182                'ModuleDeprecationWarning',

/usr/lib/python2.7/site-packages/numpy/add_newdocs.py in <module>()
     11 from __future__ import division, absolute_import, print_function
     12
---> 13 from numpy.lib import add_newdoc
     14
     15 ###############################################################################

/usr/lib/python2.7/site-packages/numpy/lib/__init__.py in <module>()
      6 from numpy.version import version as __version__
      7
----> 8 from .type_check import *
      9 from .index_tricks import *
     10 from .function_base import *

/usr/lib/python2.7/site-packages/numpy/lib/type_check.py in <module>()
      9            'common_type']
     10
---> 11 import numpy.core.numeric as _nx
     12 from numpy.core.numeric import asarray, asanyarray, array, isnan, \
     13                 obj2sctype, zeros

/usr/lib/python2.7/site-packages/numpy/core/__init__.py in <module>()
     12         os.environ[envkey] = '1'
     13         env_added.append(envkey)
---> 14 from . import multiarray
     15 for envkey in env_added:
     16     del os.environ[envkey]

ImportError: /root/anaconda2/bin/../lib/libgfortran.so.3: version `GFORTRAN_1.4' not found (required by /usr/lib64/atlas/libtatlas.so.3)

卸载libgfortran

[root@biostacs /]# conda remove libgfortran
Using Anaconda Cloud api site https://api.anaconda.org
Fetching package metadata: ....
Solving package specifications: .........

Package plan for package removal in environment /root/anaconda2:

The following packages will be downloaded:

    package                    |            build
    ---------------------------|-----------------
    anaconda-custom            |           py27_0           3 KB
    scipy-0.17.0               |      np110py27_0        29.6 MB
    ------------------------------------------------------------
                                           Total:        29.6 MB

The following packages will be REMOVED:

    libgfortran: 3.0-0

The following packages will be DOWNGRADED:

    anaconda:    4.0.0-np110py27_0  --> custom-py27_0
    scipy:       0.17.0-np110py27_2 --> 0.17.0-np110py27_0

Proceed ([y]/n)? y

Fetching packages ...
anaconda-custo 100% |######################################################################| Time: 0:00:00   1.97 MB/s
scipy-0.17.0-n 100% |######################################################################| Time: 0:00:21   1.43 MB/s
Extracting packages ...
[      COMPLETE      ]|#########################################################################################| 100%
Unlinking packages ...
[      COMPLETE      ]|#########################################################################################| 100%
Linking packages ...
[      COMPLETE      ]|#########################################################################################| 100%

安装libgcc –force

[root@biostacs /]# conda install libgcc --force
Using Anaconda Cloud api site https://api.anaconda.org
Fetching package metadata: ....
Solving package specifications: .........

Package plan for installation in environment /root/anaconda2:

The following packages will be downloaded:

    package                    |            build
    ---------------------------|-----------------
    libgcc-5.2.0               |                0         1.1 MB

The following NEW packages will be INSTALLED:

    libgcc: 5.2.0-0

Proceed ([y]/n)? y

Fetching packages ...
libgcc-5.2.0-0 100% |######################################################################| Time: 0:00:05 222.99 kB/s
[      COMPLETE      ]|#########################################################################################| 100%
Extracting packages ...
[      COMPLETE      ]|#########################################################################################| 100%
Linking packages ...
[      COMPLETE      ]|#########################################################################################| 100%
[root@biostacs /]# ipython
Python 2.7.11 |Anaconda custom (64-bit)| (default, Dec  6 2015, 18:08:32)
Type "copyright", "credits" or "license" for more information.

IPython 5.0.0 -- An enhanced Interactive Python.
?         -> Introduction and overview of IPython's features.
%quickref -> Quick reference.
help      -> Python's own help system.
object?   -> Details about 'object', use 'object??' for extra details.

In [1]: import matplotlib

In [2]: