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问题描述
导入熊猫并没有引发错误，而是尝试读取这样拾取的熊猫数据框:
Importing pandas didn't throw the error, but rather trying to read a picked pandas dataframe as such:
import numpy as np
import pandas as pd
import matplotlib
import seaborn as sns
sns.set(style="white")
control_data = pd.read_pickle('null_report.pickle')
test_data = pd.read_pickle('test_report.pickle')
回溯为165行，并发三个并发异常(无论如何). read_pickle与我正在运行的熊猫版本17.1不兼容吗?如何释放数据框以供使用?
The traceback is 165 lines with three concurrent exceptions (whatever that means). Is read_pickle not compatible with pandas version 17.1 I'm running? How do I unpickle my dataframe for use?
下面是回溯的副本:
ImportError Traceback (most recent call last)
C:\Users\test\Anaconda3\lib\site-packages\pandas\io\pickle.py in try_read(path, encoding)
45 with open(path, 'rb') as fh:
---> 46 return pkl.load(fh)
47 except (Exception) as e:
ImportError: No module named 'pandas.indexes'
During handling of the above exception, another exception occurred:
ImportError Traceback (most recent call last)
C:\Users\test\Anaconda3\lib\site-packages\pandas\io\pickle.py in try_read(path, encoding)
51 with open(path, 'rb') as fh:
---> 52 return pc.load(fh, encoding=encoding, compat=False)
53
C:\Users\test\Anaconda3\lib\site-packages\pandas\compat\pickle_compat.py in load(fh, encoding, compat, is_verbose)
115
--> 116 return up.load()
117 except:
C:\Users\test\Anaconda3\lib\pickle.py in load(self)
1038 assert isinstance(key, bytes_types)
-> 1039 dispatch[key[0]](self)
1040 except _Stop as stopinst:
C:\Users\test\Anaconda3\lib\pickle.py in load_stack_global(self)
1342 raise UnpicklingError("STACK_GLOBAL requires str")
-> 1343 self.append(self.find_class(module, name))
1344 dispatch[STACK_GLOBAL[0]] = load_stack_global
C:\Users\test\Anaconda3\lib\pickle.py in find_class(self, module, name)
1383 module = _compat_pickle.IMPORT_MAPPING[module]
-> 1384 __import__(module, level=0)
1385 if self.proto >= 4:
ImportError: No module named 'pandas.indexes'
During handling of the above exception, another exception occurred:
ImportError Traceback (most recent call last)
C:\Users\test\Anaconda3\lib\site-packages\pandas\io\pickle.py in read_pickle(path)
59 try:
---> 60 return try_read(path)
61 except:
C:\Users\test\Anaconda3\lib\site-packages\pandas\io\pickle.py in try_read(path, encoding)
56 with open(path, 'rb') as fh:
---> 57 return pc.load(fh, encoding=encoding, compat=True)
58
C:\Users\test\Anaconda3\lib\site-packages\pandas\compat\pickle_compat.py in load(fh, encoding, compat, is_verbose)
115
--> 116 return up.load()
117 except:
C:\Users\test\Anaconda3\lib\pickle.py in load(self)
1038 assert isinstance(key, bytes_types)
-> 1039 dispatch[key[0]](self)
1040 except _Stop as stopinst:
C:\Users\test\Anaconda3\lib\pickle.py in load_stack_global(self)
1342 raise UnpicklingError("STACK_GLOBAL requires str")
-> 1343 self.append(self.find_class(module, name))
1344 dispatch[STACK_GLOBAL[0]] = load_stack_global
C:\Users\test\Anaconda3\lib\pickle.py in find_class(self, module, name)
1383 module = _compat_pickle.IMPORT_MAPPING[module]
-> 1384 __import__(module, level=0)
1385 if self.proto >= 4:
ImportError: No module named 'pandas.indexes'
During handling of the above exception, another exception occurred:
ImportError Traceback (most recent call last)
C:\Users\test\Anaconda3\lib\site-packages\pandas\io\pickle.py in try_read(path, encoding)
45 with open(path, 'rb') as fh:
---> 46 return pkl.load(fh)
47 except (Exception) as e:
ImportError: No module named 'pandas.indexes'
During handling of the above exception, another exception occurred:
ImportError Traceback (most recent call last)
C:\Users\test\Anaconda3\lib\site-packages\pandas\io\pickle.py in try_read(path, encoding)
51 with open(path, 'rb') as fh:
---> 52 return pc.load(fh, encoding=encoding, compat=False)
53
C:\Users\test\Anaconda3\lib\site-packages\pandas\compat\pickle_compat.py in load(fh, encoding, compat, is_verbose)
115
--> 116 return up.load()
117 except:
C:\Users\test\Anaconda3\lib\pickle.py in load(self)
1038 assert isinstance(key, bytes_types)
-> 1039 dispatch[key[0]](self)
1040 except _Stop as stopinst:
C:\Users\test\Anaconda3\lib\pickle.py in load_stack_global(self)
1342 raise UnpicklingError("STACK_GLOBAL requires str")
-> 1343 self.append(self.find_class(module, name))
1344 dispatch[STACK_GLOBAL[0]] = load_stack_global
C:\Users\test\Anaconda3\lib\pickle.py in find_class(self, module, name)
1383 module = _compat_pickle.IMPORT_MAPPING[module]
-> 1384 __import__(module, level=0)
1385 if self.proto >= 4:
ImportError: No module named 'pandas.indexes'
During handling of the above exception, another exception occurred:
ImportError Traceback (most recent call last)
<ipython-input-17-3b05fe7d20a4> in <module>()
3 # test_data = np.genfromtxt(fh, usecols=2)
4
----> 5 control_data = pd.read_pickle('null_report.pickle')
6 test_data = pd.read_pickle('test_report.pickle')
7
C:\Users\test\Anaconda3\lib\site-packages\pandas\io\pickle.py in read_pickle(path)
61 except:
62 if PY3:
---> 63 return try_read(path, encoding='latin1')
64 raise
C:\Users\test\Anaconda3\lib\site-packages\pandas\io\pickle.py in try_read(path, encoding)
55 except:
56 with open(path, 'rb') as fh:
---> 57 return pc.load(fh, encoding=encoding, compat=True)
58
59 try:
C:\Users\test\Anaconda3\lib\site-packages\pandas\compat\pickle_compat.py in load(fh, encoding, compat, is_verbose)
114 up.is_verbose = is_verbose
115
--> 116 return up.load()
117 except:
118 raise
C:\Users\test\Anaconda3\lib\pickle.py in load(self)
1037 raise EOFError
1038 assert isinstance(key, bytes_types)
-> 1039 dispatch[key[0]](self)
1040 except _Stop as stopinst:
1041 return stopinst.value
C:\Users\test\Anaconda3\lib\pickle.py in load_stack_global(self)
1341 if type(name) is not str or type(module) is not str:
1342 raise UnpicklingError("STACK_GLOBAL requires str")
-> 1343 self.append(self.find_class(module, name))
1344 dispatch[STACK_GLOBAL[0]] = load_stack_global
1345
C:\Users\test\Anaconda3\lib\pickle.py in find_class(self, module, name)
1382 elif module in _compat_pickle.IMPORT_MAPPING:
1383 module = _compat_pickle.IMPORT_MAPPING[module]
-> 1384 __import__(module, level=0)
1385 if self.proto >= 4:
1386 return _getattribute(sys.modules[module], name)[0]
ImportError: No module named 'pandas.indexes'
我还尝试了直接从pickle加载pickle文件:
I also tried loading the pickle file from pickle directly:
via_pickle = pickle.load( open( 'null_report.pickle', "rb" ) )
，并出现相同的错误:
---------------------------------------------------------------------------
ImportError Traceback (most recent call last)
<ipython-input-23-ba2e3adae1c4> in <module>()
1
----> 2 via_pickle = pickle.load( open( 'null_report.pickle', "rb" ) )
3
4 # control_data = pd.read_pickle('null_report.pickle')
5 # test_data = pd.read_pickle('test_report.pickle')
ImportError: No module named 'pandas.indexes'
推荐答案
当我使用python 2.7创建pkl文件并尝试使用python 3.6读取pkl文件时遇到此错误我做到了:
I had this error when I created a pkl file with python 2.7 and was trying to read it with python 3.6I did:
pd.read_pickle('foo.pkl')
它奏效了
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