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Fixing Common Errors in NumPy

This series of tutorials helps you get through common issues you might encounter when working with NumPy.

1 Fixing NumPy Import Error: No module named ‘numpy’ (5 solutions)

2 Fixing NumPy ValueError: The truth value of an array with more than one element is ambiguous

3 Fixing NumPy IndexError: Index is out of bounds for axis 0 with size N

4 NumPy AttributeError: module ‘numpy’ has no attribute ‘aray’

5 Fixing NumPy MemoryError: Unable to allocate array with shape and data type

6 NumPy RuntimeError: Fails to pass a sanity check

7 Solving NumPy KeyError: Field names only allowed for structured arrays

8 NumPy floating point error: invalid value encountered in multiply

9 NumPy floating point error: Overflow encountered in double_scalars

10 How to Avoid NumPy ZeroDivisionError: Division by Zero

11 NumPy ShapeMismatchError: Shapes not aligned

12 Solving NumPy BroadcastError: operands could not be broadcast together with shapes

13 Solving NumPy DeprecationWarning: Using a non-tuple sequence for multidimensional indexing is deprecated

14 NumPy DeprecationWarning: Using a non-integer array as obj in insert will result in an error in the future

15 NumPy DeprecationWarning: The binary mode of fromstring is deprecated, as it behaves surprisingly on unicode inputs

16 NumPy FileNotFoundError: No such file or directory

17 NumPy AxisError: axis 2 is out of bounds for array of dimension 1

18 NumPy OverflowError: Python int too large to convert to C long

19 [Solved] NumPy UnderflowError: Causes & Solutions

20 NumPy RuntimeWarning: invalid value encountered in true_divide

21 Fixing NumPy NameError: name ‘np’ is not defined

22 NumPy ConvergenceWarning:Number of distinct clusters (X) found smaller than n_clusters

23 Fixing NumPy InvalidOperationError: Cannot convert non-finite values (NA or inf) to integer

24 NumPy NotImplementedError: Cannot convert a symbolic Tensor (dense_1_target:0) to a numpy array

25 Fixing NumPy ModuleNotFoundError: No module named ‘numpy.core._multiarray_umath’

26 NumPy TypeError: ‘numpy.float64’ object is not callable

27 NumPy BufferError – memoryview: underlying buffer is not C-contiguous

28 Solving NumPy ComplexWarning: Casting complex values to real discards the imaginary part

29 NumPy AttributeError: ‘numpy.ndarray’ object has no attribute ‘append’

30 NumPy RecursionError: maximum recursion depth exceeded

31 NumPy DataLossWarning: Discarded input data in loss_computation

32 NumPy AlignmentError: Input operand has more dimensions than allowed by the axis remapping

33 Fixing numpy.linalg.LinAlgError: Singular matrix

34 Fixing NumPy UnicodeError: Unhandled conversion in format

35 NumPy FutureWarning: Conversion of the second argument of issubdtype from `float` to `np.floating` is deprecated

36 Solving NumPy ResourceWarning – unclosed file

37 NumPy UserWarning – converting a masked element to NaN

38 NumPy VisibleDeprecationWarning: Creating an ndarray from ragged nested sequences

39 NumPy ValueError: setting an array element with a sequence

40 NumPy TypeError: only size-1 arrays can be converted to Python scalars

41 NumPy BytesWarning: Comparison of bytes with type str failed

42 NumPy SystemError: Parent module ” not loaded, cannot perform relative import’

43 NumPy ValueError: all the input arrays must have same number of dimensions

44 NumPy FloatingPointUnderflow – underflow encountered in multiply

45 NumPy TypeError: ‘numpy.float64’ object does not support item assignment

46 NumPy InvalidArgumentError – TypeError: ‘numpy.float64’ object cannot be interpreted as an integer

47 NumPy MemoryLeakWarning – Causes & Solutions

48 NumPy TypeError: ‘numpy.float64’ object cannot be interpreted as an integer

49 NumPy PerformanceWarning: your operation is slow, consider using numpy array

50 NumPy TypeError: only integer scalar arrays can be converted to a scalar index

51 NumPy TypeError: Cannot cast array data from dtype(‘float64’) to dtype(‘int32’) according to the rule ‘safe’

52 NumPy UnexpectedDataTypeError: Unexpected data type

53 NumPy RuntimeWarning: invalid value encountered in double_scalars

54 Solving NumPy NonCContiguousWarning: A non-contiguous array was created on a strided slice

55 NumPy InvalidCastWarning: Casting complex values to real discards the imaginary part

56 NumPy PrecisionLossWarning: Casting from float64 to uint8 causes precision loss

57 NumPy ValueError: operands could not be broadcast together with shapes

58 NumPy ValueError: all the input array dimensions except for the concatenation axis must match exactly

59 NumPy SystemError: New style getargs format but argument is not a tuple

60 Fixing NumPy Error: Array is not JSON serializable

61 NumPy TypeError: return arrays must be of ArrayType

62 Fixing NumPy ValueError: embedded null byte

63 NumPy ValueError: shape too large to be a matrix

64 Fixing AttributeError: module ‘numpy’ has no attribute ‘matlib’

65 Pandas TypeError: string operation on non-string array