No subject

/
| extra
|     This contains all packages that conflict with others with
|     required, important, standard or optional priorities, or are only
|     likely to be useful if you already know what they are or have
|     specialized requirements (such as packages containing only detached
|     debugging symbols).
\

As those two packages are not available in Debian anymore, and unless
there is another reason (I did not see) justifying the "extra"
priority, I would suggest removing the Conflicts and Replaces lines
from the debian/control file, and changing the package's priority to
"optional" in order to comply with the Policy.

Thank you for your consideration.

Kind regards,
 Ignace Mouzannar

-- System Information:
Debian Release: squeeze/sid
  APT prefers unstable
  APT policy: (501, 'unstable'), (100, 'testing'), (99, 'stable')
Architecture: amd64 (x86_64)

Kernel: Linux 2.6.26-2-openvz-amd64 (SMP w/4 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash

[1] http://packages.qa.debian.org/p/python-scrapy.html
[2] http://qa.debian.org/debcheck.php?dist=unstable&package=python-scrapy
[3] http://www.debian.org/doc/debian-policy/ch-archive.html#s-priorities