lib/pleroma/user.ex:757:no_return
Function register_changeset/1 has no local return.
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lib/pleroma/user.ex:757:no_return
Function register_changeset/2 has no local return.
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lib/pleroma/user.ex:757:no_return
Function register_changeset/3 has no local return.
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lib/pleroma/user.ex:778:call
The function call will not succeed.

Pleroma.User.approval_changeset(
  %Ecto.Changeset{
    :action => atom(),
    :changes => %{atom() => _},
    :constraints => [
      %{
        :constraint =>
          binary()
          | %Regex{
              :opts => binary() | [any()],
              :re_pattern => _,
              :re_version => _,
              :source => binary()
            },
        :error_message => binary(),
        :error_type => atom(),
        :field => atom(),
        :match => :exact | :prefix | :suffix,
        :type => :check | :exclusion | :foreign_key | :unique
      }
    ],
    :data => nil | map(),
    :empty_values => _,
    :errors => Keyword.t({binary(), Keyword.t()}),
    :filters => %{atom() => _},
    :params => nil | %{binary() => _},
    :prepare => [(_ -> any())],
    :repo => atom(),
    :repo_opts => Keyword.t(),
    :required => [atom()],
    :types =>
      nil
      | %{
          atom() =>
            atom()
            | {:array | :assoc | :embed | :in | :map | :maybe | :param, _}
            | {:parameterized, atom(), _}
        },
    :valid? => boolean(),
    :validations => Keyword.t()
  },
  [{:set_approval, _}, ...]
)

breaks the contract
(t(), :elixir.keyword()) :: Ecto.Changeset.t()

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lib/pleroma/user.ex:854:unused_fun
Function maybe_validate_required_birthday/1 will never be called.