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Describe the bug I'm trying use Tortoise and Sanic but I always found error when I'm running the code and calling the model.All().

conn is None, so you must have failed to acquire a connection. Presumably the notebook where this is working has "QueryBuilder" set up ...

23.03.2019 · AttributeError: 'Engine' object has no attribute 'execution_options' After a few tests I figured the issue appeared with pandas 1.1.0. In the release notes the minimum version for SQLAlchemy was 1.1.4.

Change sql_cursor=sql_cursor.execute(sql). to sql_cursor.execute(sql). Because the execute method returns none , this re-assignment destroys ...

Oracle, Microsoft SQL Server and IBM DB2 are commercially sold databases. ... Understanding "AttributeError: 'NoneType' object has no attribute 'group'".

Error: 'NoneType' object has no attribute 'replace' · Error Message. Attempts to use the replace() function in a Python script on a string field ...

“python return AttributeError: 'NoneType' object has no attribute ... use values with alphanumeric characters and the symbols ' ', -', '.

... line 229, in is_usable self.connection.cursor().execute("SELECT 1") AttributeError: 'NoneType' object has no attribute 'cursor'.

12.07.2016 · This is using the (as yet unreleased) version of cx_Oracle which supports binding of objects and other more advanced uses of objects. Using the sample provided with cx_Oracle for demonstrating the insertion of geometry, the following code will transform the object created in that way into JSON.

14.07.2019 · I am using Python to export data from an Oracle table into a Pandas DataFrame and then a CSV file. But I am receiving this error: AttributeError: 'generator' object has no attribute 'to_csv' I can't find out where the problem with my code is:

06.11.2009 · 'OracleCursor' object has no attribute 'cursor' with cx_Oracle and sqlalchemy '0.6beta1' #1609. Closed sqlalchemy-bot opened this issue Nov 6, 2009 · 4 comments Closed 'OracleCursor' object has no attribute 'cursor' with cx ... in create_cursor c.cursor.arraysize = self.dialect.arraysize AttributeError: 'OracleCursor' object has no ...

09.01.2020 · AttributeError: 'NoneType' object has no attribute 'is_empty' when trying to set new CRS Hot Network Questions Do you worry about using certain words too frequently in your research paper?

11.10.2018 · I get the error: File "app.py", line 23, in data cur = mysql.connection.cursor () AttributeError: 'NoneType' object has no attribute 'cursor'. As pointed out by @Martijn Pieters, this means that I could not connect to the mysql database. The question is, why does flask connect without a problem in the first function and has issues with the ...