Errors and Exception

The TabError: inconsistent use of tabs and spaces in indentation occurs if you indent the code using a combination of whitespaces and tabs in the same code block. What is inconsistent use…

The RuntimeWarning: invalid value encountered in double_scalars occurs when you perform a complex mathematical operation using NumPy that involves extremely small or very large numbers and also if we pass an invalid…

The AttributeError: module ‘matplotlib’ has no attribute ‘plot’ mainly occurs if you have not imported the matplotlib properly in your code, or if you have not correctly installed the matplotlib…

In Python, strings are immutable, which means we cannot change certain characters or the text of a string using the assignment operator. If you try to change the string value,…

The i/o operations in Python are performed when the file is in an open state. So if we are trying to read or write into a file that is already…

If we are instantiating the class that accepts 2 required positional parameters and if we do not pass those 2 required arguments Python interpreter will throw TypeError: __init__() missing 2 required…

If we have a function that accepts 2 arguments, and while calling the method, if we do not pass those 2 required arguments Python interpreter will throw TypeError: missing 2 required…

The time.clock() method has been removed in Python 3.8 onwards. Hence if you are using the clock() method in Python 3.8 or above, you will get AttributeError: module ‘time’ has no…

The AttributeError: ‘tuple’ object has no attribute ‘get’ mainly occurs when you try to call the get() method on the tuple value. The attribute get() method is present in the dictionary and must be called on…

The AttributeError: ‘NoneType’ object has no attribute ‘get’ mainly occurs when you try to call the get() method on the None value. The attribute get() method is present in the dictionary and must be called on…

The AttributeError: ‘float’ object has no attribute ‘get’ mainly occurs when you try to call the get() method on the float data type. The attribute get() method is present in the dictionary and must be called…

The AttributeError: ‘list’ object has no attribute ‘get’ mainly occurs when you try to call the get() method on the list data type. The attribute get() method is present in the dictionary and must be called…

The AttributeError: ‘str’ object has no attribute ‘get’ mainly occurs when you try to call the get() method on the string data type. The attribute get() method is present in the dictionary and must be called…

The AttributeError: ‘int’ object has no attribute ‘get’ mainly occurs when you try to call the get() method on the integer type. The attribute get() method is present in the dictionary and must be called on…

The AttributeError: module ‘datetime’ has no attribute ‘utcnow’ occurs if you have imported the datetime module and directly if we are using the datetime.utcnow() method on the datetime module.  The…

The TypeError: cannot unpack non-iterable NoneType object occurs when we try to unpack the values from the method that does not return any value or if we try to assign the None…

The AttributeError: ‘module’ object has no attribute ‘strptime’ occurs if you have imported the datetime module and directly if we are using the datetime.strptime() method on the datetime module.  The…

If you use Selenium 4.0.0 or above and try to find the elements on the page using the find_element_by_*() method, you will get an error saying DeprecationWarning: find_element_by_* commands are deprecated. Please use…

The Solving environment: failed with initial frozen solve. retrying with flexible solve occurs if you try to download any package that already exists and it breaks the anaconda environment. In this tutorial,…

The SyntaxError: (unicode error) ‘unicodeescape’ codec can’t decode bytes in position 2-3: truncated \UXXXXXXXX escape occurs if you are trying to access a file path with a regular string. In…

If you provide the keyword argument first followed by a positional argument, the Python interpreter will raise SyntaxError: positional argument follows keyword argument. In this tutorial, we will learn what SyntaxError: positional…

If you use the regular Python list append() method to add an element to the end of NumPy array, you will encounter AttributeError: ‘numpy.ndarray’ object has no attribute ‘append’. In this…

The ValueError: cannot convert float NaN to integer occurs when we attempt to convert the pandas DataFrame column from float to an integer where the column contains NaN value. In…

Suppose you attempt to divide the NumPy arrays elements using the divide() method with invalid values such as 0/0, NaN Infinity, zero, etc. you will encounter a RuntimeWarning: invalid value encountered…

In Python 3, all the strings are in Unicode format by default. If you try to decode the Unicode string in Python 3, you will encounter an AttributeError: ‘str’ object…

If you have multiple versions of Python and try to install the packages using the pip3 install <package> command Python will throw an error defaulting to user installation because normal site-packages…

If you are using cv2 or opencv-python and then building the application through docker you will get an importerror: libgl.so.1: cannot open shared object file: no such file or directory. In…

If you are installing auto-py-to-exe package on Python 3.8 or below, you will get an error stating ERROR: Command errored out with exit status 1: python setup.py egg_info Check the logs for full…

If you are deploying and running the flask application(1.1.2) using the Docker containers, you will get ImportError: cannot import name ‘json’ from itsdangerous In this article, we will look at what…

The error in plot.new() : figure margins too large occur if the plot panel in the RStudio is too small for the margins you are trying to create. In this…

If you have not installed Python on your windows machine or if the path environment variables are not set properly in windows you will get Python was not found error.…

The AttributeError: Can only use .str accessor with string values, which use np.object_ dtype in pandas occurs if you try to replace the values of string column, but in reality,…

If you define a method inside a class, you should add self as the first argument. If you forget the self argument, then Python will raise TypeError: method() takes 1 positional…

The ImportError: No module named matplotlib.pyplot occurs if you have not installed the Matplotlib library in Python and trying to run the script which has matplotlib related code. Another issue…

The TypeError: ‘float’ object is not callable error occurs if you call floating-point value as a function or if an arithmetic operator is missed while performing the calculations or the reserved…

In Python, Built-in functions are not subscriptable, if we use the built-in functions as an array to perform operations such as indexing, you will encounter TypeError: ‘builtin_function_or_method’ object is not subscriptable.…

In Python, we can concatenate values if they are of the same type. Let’s say if you concatenate a string and an integer you will get TypeError: can only concatenate…

We get this error generally while working with NumPy and Matplotlib. If you have a function that accepts a single value, but if you pass an array instead, you will…

If we provide a folder path instead of a file path while reading file or if Python does not have the required permission to perform file operations(open, read, write), you…

The TypeError: ‘numpy.float64’ object cannot be interpreted as an integer occurs if you pass a float value to a function like range() which accepts only integer. In this tutorial, let us look…

The AttributeError: ‘numpy.ndarray’ object has no attribute ‘index’ occurs when you attempt to use the index() method on a NumPy array that does not have any index attribute to use.…

In Python,  NameError: name ‘pd’ is not defined occurs when you import the pandas library but fail to provide the alias as pd while importing it. In this article, let us look…

In Python,  NameError: name ‘np’ is not defined occurs when you import the NumPy library but fail to provide the alias as np while importing it. In this article, let…

If you pass all scalar values while creating pandas Dataframe in Python, you will encounter “ValueError: If using all scalar values, you must pass an index“ In this tutorial, we…

In Python matplotlib No handles with labels found to put in legend occur if you have not defined the label parameters whenever you plot the figure and try to call…