diff --git a/samples/v1/language_classify_gcs.py b/samples/v1/language_classify_gcs.py
index a20789cc..b357a8ae 100644
--- a/samples/v1/language_classify_gcs.py
+++ b/samples/v1/language_classify_gcs.py
@@ -48,7 +48,7 @@ def sample_classify_text(gcs_content_uri):
     # For list of supported languages:
     # https://cloud.google.com/natural-language/docs/languages
     language = "en"
-    document = {"gcs_content_uri": gcs_content_uri, "type": type_, "language": language}
+    document = {"gcs_content_uri": gcs_content_uri, "type_": type_, "language": language}
 
     response = client.classify_text(request = {'document': document})
     # Loop through classified categories returned from the API
diff --git a/samples/v1/language_classify_text.py b/samples/v1/language_classify_text.py
index ad55d26c..6fe2aaa4 100644
--- a/samples/v1/language_classify_text.py
+++ b/samples/v1/language_classify_text.py
@@ -46,7 +46,7 @@ def sample_classify_text(text_content):
     # For list of supported languages:
     # https://cloud.google.com/natural-language/docs/languages
     language = "en"
-    document = {"content": text_content, "type": type_, "language": language}
+    document = {"content": text_content, "type_": type_, "language": language}
 
     response = client.classify_text(request = {'document': document})
     # Loop through classified categories returned from the API
diff --git a/samples/v1/language_entities_gcs.py b/samples/v1/language_entities_gcs.py
index d735e885..6bdb8577 100644
--- a/samples/v1/language_entities_gcs.py
+++ b/samples/v1/language_entities_gcs.py
@@ -47,17 +47,17 @@ def sample_analyze_entities(gcs_content_uri):
     # For list of supported languages:
     # https://cloud.google.com/natural-language/docs/languages
     language = "en"
-    document = {"gcs_content_uri": gcs_content_uri, "type": type_, "language": language}
+    document = {"gcs_content_uri": gcs_content_uri, "type_": type_, "language": language}
 
     # Available values: NONE, UTF8, UTF16, UTF32
-    encoding_type = language_v1..EncodingType.UTF8
+    encoding_type = language_v1.EncodingType.UTF8
 
     response = client.analyze_entities(request = {'document': document, 'encoding_type': encoding_type})
     # Loop through entitites returned from the API
     for entity in response.entities:
         print(u"Representative name for the entity: {}".format(entity.name))
         # Get entity type, e.g. PERSON, LOCATION, ADDRESS, NUMBER, et al
-        print(u"Entity type: {}".format(language_v1.Entity.Type(entity.type).name))
+        print(u"Entity type: {}".format(language_v1.Entity.Type(entity.type_).name))
         # Get the salience score associated with the entity in the [0, 1.0] range
         print(u"Salience score: {}".format(entity.salience))
         # Loop over the metadata associated with entity. For many known entities,
@@ -73,7 +73,7 @@ def sample_analyze_entities(gcs_content_uri):
             print(u"Mention text: {}".format(mention.text.content))
             # Get the mention type, e.g. PROPER for proper noun
             print(
-                u"Mention type: {}".format(language_v1.EntityMention.Type(mention.type).name)
+                u"Mention type: {}".format(language_v1.EntityMention.Type(mention.type_).name)
             )
 
     # Get the language of the text, which will be the same as
diff --git a/samples/v1/language_entities_text.py b/samples/v1/language_entities_text.py
index db2ad9e2..2cce0015 100644
--- a/samples/v1/language_entities_text.py
+++ b/samples/v1/language_entities_text.py
@@ -46,7 +46,7 @@ def sample_analyze_entities(text_content):
     # For list of supported languages:
     # https://cloud.google.com/natural-language/docs/languages
     language = "en"
-    document = {"content": text_content, "type": type_, "language": language}
+    document = {"content": text_content, "type_": type_, "language": language}
 
     # Available values: NONE, UTF8, UTF16, UTF32
     encoding_type = language_v1.EncodingType.UTF8
@@ -58,7 +58,7 @@ def sample_analyze_entities(text_content):
         print(u"Representative name for the entity: {}".format(entity.name))
 
         # Get entity type, e.g. PERSON, LOCATION, ADDRESS, NUMBER, et al
-        print(u"Entity type: {}".format(language_v1.Entity.Type(entity.type).name))
+        print(u"Entity type: {}".format(language_v1.Entity.Type(entity.type_).name))
 
         # Get the salience score associated with the entity in the [0, 1.0] range
         print(u"Salience score: {}".format(entity.salience))
@@ -77,7 +77,7 @@ def sample_analyze_entities(text_content):
 
             # Get the mention type, e.g. PROPER for proper noun
             print(
-                u"Mention type: {}".format(language_v1.EntityMention.Type(mention.type).name)
+                u"Mention type: {}".format(language_v1.EntityMention.Type(mention.type_).name)
             )
 
     # Get the language of the text, which will be the same as
diff --git a/samples/v1/language_entity_sentiment_gcs.py b/samples/v1/language_entity_sentiment_gcs.py
index 2a4c6ff3..dba3dc1b 100644
--- a/samples/v1/language_entity_sentiment_gcs.py
+++ b/samples/v1/language_entity_sentiment_gcs.py
@@ -47,7 +47,7 @@ def sample_analyze_entity_sentiment(gcs_content_uri):
     # For list of supported languages:
     # https://cloud.google.com/natural-language/docs/languages
     language = "en"
-    document = {"gcs_content_uri": gcs_content_uri, "type": type_, "language": language}
+    document = {"gcs_content_uri": gcs_content_uri, "type_": type_, "language": language}
 
     # Available values: NONE, UTF8, UTF16, UTF32
     encoding_type = language_v1.EncodingType.UTF8
@@ -57,7 +57,7 @@ def sample_analyze_entity_sentiment(gcs_content_uri):
     for entity in response.entities:
         print(u"Representative name for the entity: {}".format(entity.name))
         # Get entity type, e.g. PERSON, LOCATION, ADDRESS, NUMBER, et al
-        print(u"Entity type: {}".format(language_v1.Entity.Type(entity.type).name))
+        print(u"Entity type: {}".format(language_v1.Entity.Type(entity.type_).name))
         # Get the salience score associated with the entity in the [0, 1.0] range
         print(u"Salience score: {}".format(entity.salience))
         # Get the aggregate sentiment expressed for this entity in the provided document.
@@ -77,7 +77,7 @@ def sample_analyze_entity_sentiment(gcs_content_uri):
             print(u"Mention text: {}".format(mention.text.content))
             # Get the mention type, e.g. PROPER for proper noun
             print(
-                u"Mention type: {}".format(language_v1.EntityMention.Type(mention.type).name)
+                u"Mention type: {}".format(language_v1.EntityMention.Type(mention.type_).name)
             )
 
     # Get the language of the text, which will be the same as
diff --git a/samples/v1/language_entity_sentiment_text.py b/samples/v1/language_entity_sentiment_text.py
index 20c9dbd8..b28434df 100644
--- a/samples/v1/language_entity_sentiment_text.py
+++ b/samples/v1/language_entity_sentiment_text.py
@@ -46,7 +46,7 @@ def sample_analyze_entity_sentiment(text_content):
     # For list of supported languages:
     # https://cloud.google.com/natural-language/docs/languages
     language = "en"
-    document = {"content": text_content, "type": type_, "language": language}
+    document = {"content": text_content, "type_": type_, "language": language}
 
     # Available values: NONE, UTF8, UTF16, UTF32
     encoding_type = language_v1.EncodingType.UTF8
@@ -56,7 +56,7 @@ def sample_analyze_entity_sentiment(text_content):
     for entity in response.entities:
         print(u"Representative name for the entity: {}".format(entity.name))
         # Get entity type, e.g. PERSON, LOCATION, ADDRESS, NUMBER, et al
-        print(u"Entity type: {}".format(language_v1.Entity.Type(entity.type).name))
+        print(u"Entity type: {}".format(language_v1.Entity.Type(entity.type_).name))
         # Get the salience score associated with the entity in the [0, 1.0] range
         print(u"Salience score: {}".format(entity.salience))
         # Get the aggregate sentiment expressed for this entity in the provided document.
@@ -76,7 +76,7 @@ def sample_analyze_entity_sentiment(text_content):
             print(u"Mention text: {}".format(mention.text.content))
             # Get the mention type, e.g. PROPER for proper noun
             print(
-                u"Mention type: {}".format(language_v1.EntityMention.Type(mention.type).name)
+                u"Mention type: {}".format(language_v1.EntityMention.Type(mention.type_).name)
             )
 
     # Get the language of the text, which will be the same as
diff --git a/samples/v1/language_sentiment_gcs.py b/samples/v1/language_sentiment_gcs.py
index 68839805..f225db1c 100644
--- a/samples/v1/language_sentiment_gcs.py
+++ b/samples/v1/language_sentiment_gcs.py
@@ -47,7 +47,7 @@ def sample_analyze_sentiment(gcs_content_uri):
     # For list of supported languages:
     # https://cloud.google.com/natural-language/docs/languages
     language = "en"
-    document = {"gcs_content_uri": gcs_content_uri, "type": type_, "language": language}
+    document = {"gcs_content_uri": gcs_content_uri, "type_": type_, "language": language}
 
     # Available values: NONE, UTF8, UTF16, UTF32
     encoding_type = language_v1.EncodingType.UTF8
diff --git a/samples/v1/language_sentiment_text.py b/samples/v1/language_sentiment_text.py
index 0be2b6cf..d94420a3 100644
--- a/samples/v1/language_sentiment_text.py
+++ b/samples/v1/language_sentiment_text.py
@@ -46,7 +46,7 @@ def sample_analyze_sentiment(text_content):
     # For list of supported languages:
     # https://cloud.google.com/natural-language/docs/languages
     language = "en"
-    document = {"content": text_content, "type": type_, "language": language}
+    document = {"content": text_content, "type_": type_, "language": language}
 
     # Available values: NONE, UTF8, UTF16, UTF32
     encoding_type = language_v1.EncodingType.UTF8
diff --git a/samples/v1/language_syntax_gcs.py b/samples/v1/language_syntax_gcs.py
index e04be406..4e8a5cc4 100644
--- a/samples/v1/language_syntax_gcs.py
+++ b/samples/v1/language_syntax_gcs.py
@@ -47,7 +47,7 @@ def sample_analyze_syntax(gcs_content_uri):
     # For list of supported languages:
     # https://cloud.google.com/natural-language/docs/languages
     language = "en"
-    document = {"gcs_content_uri": gcs_content_uri, "type": type_, "language": language}
+    document = {"gcs_content_uri": gcs_content_uri, "type_": type_, "language": language}
 
     # Available values: NONE, UTF8, UTF16, UTF32
     encoding_type = language_v1.EncodingType.UTF8
diff --git a/samples/v1/language_syntax_text.py b/samples/v1/language_syntax_text.py
index 9f37e92c..c3eb9383 100644
--- a/samples/v1/language_syntax_text.py
+++ b/samples/v1/language_syntax_text.py
@@ -46,7 +46,7 @@ def sample_analyze_syntax(text_content):
     # For list of supported languages:
     # https://cloud.google.com/natural-language/docs/languages
     language = "en"
-    document = {"content": text_content, "type": type_, "language": language}
+    document = {"content": text_content, "type_": type_, "language": language}
 
     # Available values: NONE, UTF8, UTF16, UTF32
     encoding_type = language_v1.EncodingType.UTF8