[gi-docgen/ebassi/issue-78: 2/2] gir: Drop an unnecessary check

[Emmanuele Bassi <ebassi src gnome org>]

commit b54db08fc2b81aa77206e33ceedb1defdbe807f2
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Thu May 6 20:43:14 2021 +0100

    gir: Drop an unnecessary check
    
    We know that the namespace object is not None.

 gidocgen/gir/parser.py | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)
---
diff --git a/gidocgen/gir/parser.py b/gidocgen/gir/parser.py
index 67dc2b4..92b3cbf 100644
--- a/gidocgen/gir/parser.py
+++ b/gidocgen/gir/parser.py
@@ -652,13 +652,11 @@ class GirParser:
             res: ast.ErrorDomain = ast.ErrorDomain(name=name, namespace=ns.name,
                                                    ctype=ctype, gtype=gtype,
                                                    domain=error_domain)
-            if ns is not None:
-                ns.add_error_domain(res)
+            ns.add_error_domain(res)
         else:
             res: ast.Enumeration = ast.Enumeration(name=name, namespace=ns.name,
                                                    ctype=ctype, gtype=gtype)
-            if ns is not None:
-                ns.add_enumeration(res)
+            ns.add_enumeration(res)
 
         res.set_members(members)
         res.set_functions(functions)