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Flutter Provider TypeError: 'Null' is not a subtype of type 'String'

Issue: I'm using provider 6.1.2 in my Flutter project, and I'm encountering this error: ══╡ EXCEPTION CAUGHT BY WIDGETS LIBRARY ╞═══════════════════════════════════════ The following _TypeError was ...
Hammad Khan's user avatar
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1 answer
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django add success message erro

Whenever I'm using messages I keep getting the same type error 'str' object is no callable. However this same code used to work. I am not sure what happened but it just stopped working and started ...
Fernanda Correa's user avatar
-1 votes
1 answer
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Type Error in Python Multiple Inheritance [duplicate]

I have written the below code: class Data: def __init__(self, name, size_mb): self.name = name self.size_mb = size_mb def info(self): return f"Dataset: {self....
Morteza Dogani's user avatar
-2 votes
0 answers
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"TypeError: object of type 'NoneType' has no len()" while using fillpdfs [closed]

I'm currently trying to create a program that allows me to auto-fill a pdf file using python and fillpdfs. This is the code so far: from fillpdf import fillpdfs form_fields = list(fillpdfs....
user29883644's user avatar