Blank lines in paste event in Screen

[Morteza NourelahiAlamdari]

Hi,

When I paste a multi-line text in an app like IPython, inside the
screen, it will put a blank line in every text and therefore IPython
tries to execute every single line as it thinks is a separated
command.
While, when I paste the same text into IPython outside of Screen or
even inside of Tmux, it works perfectly fine.

For example this is my multi-line text:
```python
class Screen:
    """Screen class."""

    _screen_id = None

    def __init__(self, name: str):
        """Initialize the class."""
        self._name = name
```

Inside IPython with Tmux or without/outside of Tmux:
In [1]: class Screen:
   ...:     """Screen class."""
   ...:
   ...:     _screen_id = None
   ...:
   ...:     def __init__(self, name: str):
   ...:         """Initialize the class."""
   ...:         self._name = name

Inside IPython with Screen:
In [4]: class Screen:
   ...:         """Screen class."""
   ...:

In [5]:     _screen_id = None

In [6]:

In [6]:     def __init__(self, name: str):
   ...:             """Initialize the class."""
   ...:                 self._name = name

Do you have any idea how to fix this?
I searched a lot and nothing I've found in that regard.

Cheers,
Morteza NourelahiAlamdari