utils/export_as_csv: Catch more-specific TypeError instead of broad Exception (W0703)

Fixes the broad-except (W0703) pylint error.

Signed-off-by: Fabian P. Schmidt <kerel@mailbox.org>

.pylintrc

@@ -10,4 +10,3 @@ disable=
     R0912, # too-many-branches
     R0913, # too-many-arguments
     R0914, # too-many-locals
-    W0703, # broad-except

.pylintrc3

@@ -12,4 +12,3 @@ disable=
     R0912, # too-many-branches
     R0913, # too-many-arguments
     R0914, # too-many-locals
-    W0703, # broad-except

network/base/utils.py

@@ -48,7 +48,7 @@ def export_as_csv(modeladmin, request, queryset):
                 try:
                     # get value from model
                     value = value()
-                except Exception:
+                except TypeError:
                     # get value from modeladmin e.g: admin_method_1
                     value = value(row)
             if value is None: