No need to use rescue block to require psych

activerecord/lib/active_record/base.rb

@@ -1,8 +1,4 @@
-begin
-  require 'psych'
-rescue LoadError
-end
-
+require 'psych'
 require 'yaml'
 require 'set'
 require 'active_support/benchmarkable'

activerecord/lib/active_record/fixtures.rb

@@ -1,10 +1,5 @@
 require 'erb'
-
-begin
-  require 'psych'
-rescue LoadError
-end
-
+require 'psych'
 require 'yaml'
 require 'zlib'
 require 'active_support/dependencies'

activerecord/lib/active_record/fixtures/file.rb

@@ -1,8 +1,4 @@
-begin
-  require 'psych'
-rescue LoadError
-end
-
+require 'psych'
 require 'erb'
 require 'yaml'
 

activerecord/test/cases/yaml_serialization_test.rb

@@ -1,4 +1,5 @@
-require "cases/helper"
+require 'psych'
+require 'cases/helper'
 require 'models/topic'
 
 class YamlSerializationTest < ActiveRecord::TestCase
@@ -36,22 +37,17 @@ class YamlSerializationTest < ActiveRecord::TestCase
     assert_equal({'attributes' => topic.attributes}, coder)
   end
 
-  begin
-    require 'psych'
+  def test_psych_roundtrip
+    topic = Topic.first
+    assert topic
+    t = Psych.load Psych.dump topic
+    assert_equal topic, t
+  end
 
-    def test_psych_roundtrip
-      topic = Topic.first
-      assert topic
-      t = Psych.load Psych.dump topic
-      assert_equal topic, t
-    end
-
-    def test_psych_roundtrip_new_object
-      topic = Topic.new
-      assert topic
-      t = Psych.load Psych.dump topic
-      assert_equal topic.attributes, t.attributes
-    end
-  rescue LoadError
+  def test_psych_roundtrip_new_object
+    topic = Topic.new
+    assert topic
+    t = Psych.load Psych.dump topic
+    assert_equal topic.attributes, t.attributes
   end
 end

activesupport/lib/active_support/core_ext/big_decimal/conversions.rb

@@ -1,10 +1,5 @@
 require 'bigdecimal'
-
-begin
-  require 'psych'
-rescue LoadError
-end
-
+require 'psych'
 require 'yaml'
 
 class BigDecimal

activesupport/lib/active_support/ordered_hash.rb

@@ -1,8 +1,4 @@
-begin
-  require 'psych'
-rescue LoadError
-end
-
+require 'psych'
 require 'yaml'
 
 YAML.add_builtin_type("omap") do |type, val|

activesupport/test/ordered_hash_test.rb

@@ -1,3 +1,4 @@
+require 'psych'
 require 'abstract_unit'
 require 'active_support/json'
 require 'active_support/core_ext/object/to_json'
@@ -291,21 +292,16 @@ class OrderedHashTest < Test::Unit::TestCase
     assert_equal @ordered_hash.values, @deserialized_ordered_hash.values
   end
 
-  begin
-    require 'psych'
+  def test_psych_serialize
+    @deserialized_ordered_hash = Psych.load(Psych.dump(@ordered_hash))
 
-    def test_psych_serialize
-      @deserialized_ordered_hash = Psych.load(Psych.dump(@ordered_hash))
+    values = @deserialized_ordered_hash.map { |_, value| value }
+    assert_equal @values, values
+  end
 
-      values = @deserialized_ordered_hash.map { |_, value| value }
-      assert_equal @values, values
-    end
-
-    def test_psych_serialize_tag
-      yaml = Psych.dump(@ordered_hash)
-      assert_match '!omap', yaml
-    end
-  rescue LoadError
+  def test_psych_serialize_tag
+    yaml = Psych.dump(@ordered_hash)
+    assert_match '!omap', yaml
   end
 
   def test_has_yaml_tag

activesupport/test/safe_buffer_test.rb

@@ -1,9 +1,5 @@
 require 'abstract_unit'
-begin
-  require 'psych'
-rescue LoadError
-end
-
+require 'psych'
 require 'active_support/core_ext/string/inflections'
 require 'yaml'
 

railties/lib/rails/commands/dbconsole.rb

@@ -1,10 +1,5 @@
 require 'erb'
-
-begin
-  require 'psych'
-rescue LoadError
-end
-
+require 'psych'
 require 'yaml'
 require 'optparse'
 require 'rbconfig'