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By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Why do "'inclusive' access" textbooks normally self-destruct after a year or so? Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Can 'superiore' mean 'previous years' (plural)? Why do people say a dog is 'harmless' but not 'harmful'? To solve this error, you need to convert the list to a string with the str() function. Can punishments be weakened if evidence was collected illegally? Why do the more recent landers across Mars and Moon not use the cushion approach? Not the answer you're looking for? Surely it checks the column and assigns a type which will work for all rows in the column? Where was the story first told that the title of Vanity Fair come to Thackeray in a "eureka moment" in bed? Can 'superiore' mean 'previous years' (plural)? Find centralized, trusted content and collaborate around the technologies you use most. But in reality, theyre inherently incompatible with a lot of the functions they might be used with. Two functions that commonly cause this error are the re.sub() and re.findall() functions from the re module. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 AND "I am just so excited.". Asking for help, clarification, or responding to other answers. Can you create a standalone test case that can be run? TypeError: expected string or bytes-like object When trying to install psutil, I am getting an error: I could not find the file /usr/share/python-wheels/packaging-19.0-py2.py3-none-any.whl/packaging/version.py (as there was nothing after the .whl file but my guess was that packaging-19.0-py2.py3-none-any.whl is a wheel that depended on pip3. Why don't airlines like when one intentionally misses a flight to save money? match = self._regex.search(version) to match = self._regex.search(str(version)), I then proceeded to change the other files that had /packaging/version.py. Two functions that commonly cause this error are: Lets see how to solve the error for both functions in this article. Not the answer you're looking for? Issue 40736: better message for re.search TypeError ("expected string Why don't airlines like when one intentionally misses a flight to save money? To learn more, see our tips on writing great answers. Not the answer you're looking for? Expected str instance, bytes found. If someone is using slang words and phrases when talking to me, would that be disrespectful and I should be offended? twine broke entirely: any command causes TypeError: expected string or 5) I thought the error could be from my Oracle columns not allowing either numbers or letters, but they are all set to all VarChar2 so that isn't the cause of the error either. Another method to solve the issue is to provide an empty string when the variable type is None. Solution 1: Use the str () Function to Convert it into a String Solution 2: Provide an Empty String Reason 2: Using Function That Returns Other Than String Solution: Use Function That Returns String Reason 1: Passing Unexpected Argument Value to String Method Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. By clicking Post Your Answer, you agree to our terms of service and acknowledge that you have read and understand our privacy policy and code of conduct. First issue is, list cannot be passed as a parameter while using executemany, but list Making statements based on opinion; back them up with references or personal experience. If the error & issue is not the same anymore, you should either re-write the question or ask a new one. Asking for help, clarification, or responding to other answers. It works for some tables but fails on others and I really don't know why. 1 Solution by ShaunWalbridge 08-13-2021 08:43 PM Hello @kkUSGS, Best I can tell this is a bug with either the Python API or one of the packages it installs. Thanks for contributing an answer to Stack Overflow! Tool for impacting screws What is it called? How can i reproduce the texture of this picture? To learn more, see our tips on writing great answers. Legend hide/show layers not working in PyQGIS standalone app. Actually I got the same error yesterday, and after add below code in my script, the dataframe has been appended to a oracle table successfully. We can use the if-else statements in order to handle the error. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, The future of collective knowledge sharing, have removed list and tried, getting error as ORA-00911: invalid character. "TypeError: a bytes-like object is required, not 'str'" when handling file content in Python 3 340 Using pickle.dump - TypeError: must be str, not bytes You need to figure out why they are failing to parse. Bytes objects contain a sequence of single bytes. DatabaseError: ORA-00911: invalid character, Python - TypeError: expecting string or bytes object, Getting exception "openpyxl.utils.exceptions.IllegalCharacterError", Error: invalid syntax using cx_oracle in python, Python cx_oracle error: expecting string or bytes object, Insert data into Oracle table Using Python script. For some reason when running the code on a table, I sometimes receive the error: Traceback (most recent call last): File "Z:\Code\successfullest_html_code.py", line 122, in <module> cursor.executemany (sql_query, exported_data) TypeError: expecting string or . To solve this error, you need to make sure you are passing a string or bytes-like object as the argument of that function. Asking for help, clarification, or responding to other answers. Making statements based on opinion; back them up with references or personal experience. But i took the print statement of the data and inserted in the database and its working. Here's my code; though you can disregard most of it, the error occurs on the line cursor.executemany(sql_query, exported_data): Here's a table that it successfully exports: Here is a printout of the DataFrame (the \ns don't actually mess up the export at all): And here is a printout of (exported_data): Among other things, it really confuses me why the error occurs on that line of all places the cursor.executemany() is just supposed carry out the SQL query from the lines above, right? What does soaking-out run capacitor mean? Drop your email in the box below and I'll send new stuff straight into 4) I tried changing the exported_data command to a str instead of a tuple but that only changed the error to cx_Oracle.DatabaseError: ORA-01036: illegal variable name/number. Thanks for contributing an answer to Stack Overflow! Hello! Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, The future of collective knowledge sharing. Connect and share knowledge within a single location that is structured and easy to search. To learn more, see our tips on writing great answers. coding the binding variables, got the column names and passed the bind variables Making statements based on opinion; back them up with references or personal experience. Python also raises this error when you call the re.findall() function with a non-string value as its second argument. Typeerror Expected String Or Bytes Like Object - Meteor Was Hunter Biden's legal team legally required to publicly disclose his proposed plea agreement? Can 'superiore' mean 'previous years' (plural)? I would just like to know why this happens only on some tables and not on others when they all appear identical. If not, then we will print the type of the string as shown below: As you can see, we got the message that shows the type of argument: The try-except blocks are used to handle errors in Python. Let us take an example and see how we get TypeError: Expected String or Bytes-Like Object error: The reason for getting this error is that the sub-function expects to have a string or Bytes-like object. Behavior of narrow straits between oceans. Exact meaning of compactly supported smooth function - support can be any measurable compact set? I could not identify an error in the code below but only on the return of the method I get the error ( TypeError: expected string or bytes-like object ), does anyone know why ? For some reason when running the code on a table, I sometimes receive the error: On most tables, my code works perfectly, and for the ones that produce this error I've just been entering by hand.. but now these errors are occurring more frequently. Reload to refresh your session. When you use a string for the regex pattern, it builds a regex that matches on strings, to look for matches that are also strings Lets run this program and see what happens in the below section: Here, we are getting an error as expected. One of the best things about Python is its sheer versatility. My code parses data out of an HTML table and then exports it to my Oracle Database. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. [Code]-Python - TypeError: expecting string or bytes object-pandas Thanks for contributing an answer to Stack Overflow! TypeError: cannot use a string pattern on a bytes-like object. You can easily do it with find and replace function. In our example, the data is a list of integers and strings, and the function cannot work on the list directly. Exact meaning of compactly supported smooth function - support can be any measurable compact set? What temperature should pre cooked salmon be heated to? However instead of hard STEP 3: Change the default value that is there from whatever value to "2021-01-05" for DateField or "2021-01-05 06:00:00.000000-09:00" for DateTimeField 10,733 Author by Andrew Quoc-Anh Ho Its convenient, but it can lead to issues when trying to treat every item within the container in the same way. typeerror: a bytes-like object is required, not 'str'. What can I do about a fellow player who forgets his class features and metagames? How to Fix the Python Error: typeerror expected string or bytes like object, string or bytes like object error often comes up when people start to work with regular expressions in Python, typeerror expected string or bytes like object error, Python containers often collect dissimilar data, converts everything within alpha into a string, How to Fix the Python Pandas Error: typeerror: empty 'dataframe': no numeric data to plot, How to Fix the Python Error: valueerror: cannot reindex from a duplicate axis, Practical Solutions for Dealing with Pythons TypeError: Including Code Samples, The Ultimate Guide to Pythons ValueError: How to Fix It with Code Examples, Python: How to Handle ModuleNotFoundError and Fix Your Code, Fixing Pythons ImportError: Tips and Tricks with Code Examples, Fixing AttributeError in Python: A Step-by-Step Guide with Code Sample. How to cut team building from retrospective meetings? The code is almost exactly the same as in the original example aside from a change to the way our alpha list is passed to sub. Can you see that your data is ill-formed? But avoid . What law that took effect in roughly the last year changed nutritional information requirements for restaurants and cafes? This error is common when using user-defined and built-in functions. You can change it to, Right right right. I'm trying to export a Pandas Dataframe to my Oracle table. I am trying to insert CSV data into an Oracle table. works while using execute. So I figured it out and was able to change all the values to strings. Making statements based on opinion; back them up with references or personal experience. For example, the typeerror expected string or bytes like object error often comes up when people start to work with regular expressions in Python. Does Pandas not assign the datatype based on the column contents? Did Kyle Reese and the Terminator use the same time machine? Connect and share knowledge within a single location that is structured and easy to search. Operating System: Mendel GNU/Linux 5 (Eagle) (debian). What law that took effect in roughly the last year changed nutritional information requirements for restaurants and cafes? Where was the story first told that the title of Vanity Fair come to Thackeray in a "eureka moment" in bed? TypeError: expected string or bytes-like object in Python