Change B-D from python3-dev to python3-all-dev (Closes: #868971).

debian/changelog

@@ -14,6 +14,7 @@ python-feather-format (0.3.1+dfsg1-2) UNRELEASED; urgency=medium
   * Add python3-six to {build-,}depends and python3-pandas to depends
     (Closes: #896370).
   * Enable all hardening.
+  * Change B-D from python3-dev to python3-all-dev (Closes: #868971).
 
  -- Ondřej Nový <onovy@debian.org>  Tue, 13 Feb 2018 10:07:39 +0100
 

debian/control

@@ -7,7 +7,7 @@ Build-Depends: debhelper-compat (= 12),
                cython3,
                dh-python,
                python3-all,
-               python3-dev,
+               python3-all-dev,
                python3-numpy,
                python3-pandas,
                python3-six,