ErrorNotes

🐍 Python Errors

50 error notes

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pythonintermediate

Cách khắc phục lỗi 'sqlite3.OperationalError: database is locked' trong Python

sqlite3.OperationalError: database is locked
pythonsqlitecơ sở dữ liệusqlite3
pythonbeginner

Sửa lỗi 'AttributeError: module collections has no attribute Callable' trong Python 3.10+

AttributeError: module 'collections' has no attribute 'Callable'
pythoncollectionspython310backend
pythonbeginner

Cách khắc phục lỗi 'TypeError: 'dict_keys' object is not subscriptable' trong Python

TypeError: 'dict_keys' object is not subscriptable
pythongỡ lỗidictionarytypeerror
pythonintermediate

Cách sửa lỗi 'RuntimeError: no running event loop' trong Python 3.10, 3.11 và 3.12

RuntimeError: no running event loop
pythonasyncioevent-loopxử lý đồng thời
pythonbeginner

Cách sửa lỗi 'RuntimeError' khi dùng Multiprocessing trong Python trên Windows

RuntimeError: An attempt has been made to start a new process before the current process has finished its bootstrapping phase
pythonmultiprocessingwindowsgỡ lỗi
pythonintermediate

Sửa lỗi SQLAlchemy PendingRollbackError: Chấm dứt chu kỳ 'Poisoned Session'

sqlalchemy.exc.PendingRollbackError: Can't reconnect until invalid transaction is rolled back
pythonsqlalchemyfastapiloi-database
pythonintermediate

Cách khắc phục lỗi 'ValueError: operands could not be broadcast together' trong NumPy

ValueError: operands could not be broadcast together with shapes (3,) (4,)
pythonnumpybroadcastingdata-science
pythonbeginner

Cách khắc phục lỗi 'SyntaxError: f-string expression part cannot include a backslash' trong Python

SyntaxError: f-string expression part cannot include a backslash
pythonf-stringsyntaxerrormeo-lap-trinh
pythonbeginner

Sửa lỗi 'Microsoft Visual C++ 14.0 or greater is required' trên Windows

error: Microsoft Visual C++ 14.0 or greater is required. Get it with "Microsoft C++ Build Tools": https://visualstudio.microsoft.com/visual-cpp-build-tools/
pipwindowsvisual-c++python-errors
pythonbeginner

Xử lý ZeroDivisionError trong Python: Cách khắc phục và phòng ngừa thực tế

ZeroDivisionError: division by zero
pythondebuggingpandasnumpy
pythonbeginner

Fix OSError: [Errno 98] Address already in use trong Flask và FastAPI

OSError: [Errno 98] Address already in use
pythonflaskfastapisocket
pythonbeginner

Fix Python ValueError: could not convert string to float '1,234' — Định dạng số theo ngôn ngữ

ValueError: could not convert string to float: '1,234'
pythonfloatstringpandas
pythonintermediate

Fix 'RuntimeError: Working outside of application context' trong Flask

RuntimeError: Working outside of application context. This typically means that you attempted to use functionality that needed to interface with the current application object in some way.
flaskpythonapp-contextruntimeerror
pythonbeginner

Sửa lỗi TypeError: 'type' object is not subscriptable trong Type Hints Python

TypeError: 'type' object is not subscriptable
pythontype-hintstypeerrortyping
pythonbeginner

Sửa lỗi 'TypeError: Object of type datetime is not JSON serializable' trong Python

TypeError: Object of type datetime is not JSON serializable
pythonjsondatetimeserialization
pythonintermediate

Cách khắc phục lỗi 'ConnectionRefusedError: [Errno 111] Connection refused' trong Python

ConnectionRefusedError: [Errno 111] Connection refused
pythonsocketdockerlinux
pythonbeginner

Cách sửa lỗi 'TypeError: list indices must be integers or slices, not str' trong Python

TypeError: list indices must be integers or slices, not str
pythongỡ lỗijsonbackend
pythonbeginner

Cách khắc phục lỗi 'can't compare offset-naive and offset-aware datetimes' trong Python

TypeError: can't compare offset-naive and offset-aware datetimes
pythondatetimetimezonedjango
pythonbeginner

Khắc phục lỗi 'IndexError: list index out of range' trong Python

IndexError: list index out of range
pythondanh-sachindexerrorgo-loi
pythonintermediate

Sửa lỗi 'TypeError: cannot pickle' trong Python Multiprocessing

TypeError: cannot pickle '<lambda>' object
pythonmultiprocessingpicklesong-song
pythonbeginner

Sửa lỗi 'TypeError: method() takes 1 positional argument but 2 were given' trong Python

TypeError: my_method() takes 1 positional argument but 2 were given
pythonlập trình hướng đối tượngtypeerrorlớp
pythonbeginner

Sửa lỗi 'error: externally-managed-environment' Khi Cài Package Python bằng pip

error: externally-managed-environment
pythonpiplinuxvirtualenv
pythonbeginner

Sửa lỗi 'UnboundLocalError: local variable referenced before assignment' trong Python

UnboundLocalError: local variable 'x' referenced before assignment
pythonphạm vi biếnunboundlocalerrorglobal
pythonmới bắt đầu

Giải quyết triệt để lỗi 'FileNotFoundError: [Errno 2]' trong Python

FileNotFoundError: [Errno 2] No such file or directory: 'path/to/file.txt'
pythondebuggingpathlibxử-lý-tệp
pythonbeginner

Cách sửa lỗi 'ParserError: Error tokenizing data' trong Pandas

pandas.errors.ParserError: Error tokenizing data. C error: Expected 3 fields in line 12, saw 5
pythonpandascsvkhoa-hoc-du-lieu
pythonintermediate

Sửa lỗi OSError: [Errno 24] Too many open files trong Python

OSError: [Errno 24] Too many open files
pythonoserrorfile-descriptorgiới-hạn-tài-nguyên
pythonintermediate

Sửa lỗi 'OverflowError: math range error' trong Python với math.exp() và số lớn

OverflowError: math range error
pythonmathoverflowfloat
pythonintermediate

Sửa lỗi 'JSONDecodeError: Expecting value: line 1 column 1 (char 0)' trong Python

json.decoder.JSONDecodeError: Expecting value: line 1 column 1 (char 0)
pythonjsonjsondecodeerrorparsing
pythonbeginner

Cách khắc phục PermissionError trong Python: [Errno 13] Permission Denied

PermissionError: [Errno 13] Permission denied: '/path/to/file'
pythonxử-lý-tệpdevopskhắc-phục-lỗi
pythonintermediate

Khắc phục lỗi SettingWithCopyWarning trong Pandas: Tại sao cập nhật DataFrame bị thất bại

SettingWithCopyWarning: A value is trying to be set on a copy of a slice from a DataFrame
pythonpandasdataframedata-science
pythonbeginner

Sửa lỗi TypeError: 'NoneType' object is not iterable trong Python

TypeError: 'NoneType' object is not iterable
pythontypeerrornoneiteration
pythonbeginner

Sửa lỗi 'ValueError: invalid literal for int() with base 10' trong Python

ValueError: invalid literal for int() with base 10: 'abc'
pythonvalueerrorlam-sach-du-lieubackend
pythonintermediate

Cách khắc phục lỗi ConnectionError 'Max retries exceeded' trong Python

requests.exceptions.ConnectionError: HTTPSConnectionPool(host='...', port=443): Max retries exceeded with url
pythonrequestsphát triển-apimạng
pythonintermediate

Ngăn chặn sự cố: Khắc phục 'RuntimeError: generator raised StopIteration' trong Python 3.7+

RuntimeError: generator raised StopIteration
pythongeneratorstopiterationpep479
pythonintermediate

Sửa lỗi 'UnicodeEncodeError: ascii codec can't encode character' trong Python

UnicodeEncodeError: 'ascii' codec can't encode character '\u00e9' in position 1: ordinal not in range(128)
pythonunicodemã hóaascii
pythonintermediate

Fix subprocess.CalledProcessError: Command Returned Non-Zero Exit Status trong Python

subprocess.CalledProcessError: Command '['...']' returned non-zero exit status 1
pythonsubprocessshellprocess
pythonbeginner

Sửa lỗi 'RuntimeWarning: coroutine was never awaited' trong Python async/await

RuntimeWarning: coroutine 'xxx' was never awaited
pythonasynciocoroutineasync
pythonbeginner

Fix RuntimeError: dictionary changed size during iteration trong Python

RuntimeError: dictionary changed size during iteration
pythonruntimeerrordictionaryiteration
pythonbeginner

Fix TypeError: unsupported operand type(s) for +: 'int' and 'str' trong Python

TypeError: unsupported operand type(s) for +: 'int' and 'str'
pythontypeerrorchuyển-đổi-kiểudebugging
pythonintermediate

Sửa lỗi ImportError: cannot import name từ partially initialized module (circular import) trong Python

ImportError: cannot import name 'X' from partially initialized module 'Y' (most likely due to a circular import)
pythonimportcircular-importmodule
pythonbeginner

Fix Python UnicodeDecodeError: 'utf-8' codec can't decode byte

UnicodeDecodeError: 'utf-8' codec can't decode byte
pythonunicodeencoding
pythonintermediate

Sửa lỗi MemoryError trong Python khi xử lý dữ liệu lớn

MemoryError
pythonbộ nhớhiệu năngdữ liệu lớn
pythonbeginner

Sửa lỗi ssl.SSLCertVerificationError: certificate verify failed trong Python HTTPS Requests

ssl.SSLCertVerificationError: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate (_ssl.c:1129)
pythonsslrequestshttps
pythonbeginner

Sửa lỗi Python KeyError: 'key_name' Khi Truy Cập Dictionary

KeyError: 'key_name'
pythonkeyerrordictionary
pythonintermediate

Fix Python RecursionError: maximum recursion depth exceeded

RecursionError: maximum recursion depth exceeded
pythonrecursionsys
pythonbeginner

Sửa lỗi Python TypeError: 'str' object is not callable

TypeError: 'str' object is not callable
pythontypeerrorhàmbiến
pythonbeginner

Fix Python ValueError: too many values to unpack (expected 2)

ValueError: too many values to unpack (expected 2)
pythontupleunpackinglist
pythonbeginner

Fix AttributeError: 'NoneType' object has no attribute trong Python

AttributeError: 'NoneType' object has no attribute 'split'
pythonattributeerrornonetypedebugging
pythonbeginner

Sửa lỗi 'IndentationError: expected an indented block' trong Python

IndentationError: expected an indented block
pythonthụt lềcú pháp
pythonbeginner

Sửa lỗi ModuleNotFoundError: No module named 'xxx' trong Python

ModuleNotFoundError: No module named 'xxx'
pythonpipimportvirtualenv