Add python-psycopg2

Signed-off-by: Stephen Gallagher <sgallagh@redhat.com>

postgresql.yaml

@@ -7,9 +7,9 @@ data:
     module: [ MIT ]
   dependencies:
     buildrequires:
-      bootstrap: master
+      bootstrap: f27
     requires:
-      platform: master
+      platform: f27
   references:
     community: https://docs.pagure.org/modularity/
     documentation: https://github.com/modularity-modules/postgresql
@@ -17,6 +17,8 @@ data:
   api:
     rpms:
       - postgresql
+      - python2-psycopg2
+      - python3-psycopg2
   profiles:
     default:
       rpms:
@@ -30,12 +32,12 @@ data:
   filter: {}
   components:
     rpms:
-      # postgresql-10.0-3.fc28
       postgresql:
         rationale: Generated.
-        ref: 07894e0da4b994092abd0084fba982e075ccf3f3
-      # uuid-1.6.2-39.fc27
+        ref: f25
+      python-psycopg2:
+        rationale: Needed to interact with postgresql via Python
+        ref: f25
       uuid:
         rationale: Generated.
-        ref: 43c916caff937bdf8a97ded1abff3e01df4895f4
-
+        ref: f25