diff --git a/.vscode/settings.json b/.vscode/settings.json
index 78136e6a..dae6cba4 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -1,35 +1,37 @@
 {
-    "C_Cpp.default.cppStandard": "c++17",
-    "C_Cpp.default.includePath": [
-        "${workspaceFolder}/include",
-        "${workspaceFolder}/build/opengeode-io/include",
-        "${workspaceFolder}/build/third_party/assimp/install/include",
-        "${workspaceFolder}/build/third_party/pugixml/install/include",
-        "${workspaceFolder}/build/third_party/zlib/install/include",
-        "${workspaceFolder:OpenGeode}/include",
-        "${workspaceFolder:OpenGeode}/build/opengeode/include",
-        "${workspaceFolder:OpenGeode}/build/third_party/abseil/install/include",
-        "${workspaceFolder:OpenGeode}/build/third_party/bitsery/install/include",
-        "${workspaceFolder:OpenGeode}/build/third_party/gdal/install/include",
-        "${workspaceFolder:OpenGeode}/build/third_party/pybind11/install/include",
-        "${workspaceFolder:OpenGeode}/build/third_party/asyncplusplus/install/include"
-    ],
-    "C_Cpp.default.browse.path": [
-        "${workspaceFolder}/include",
-        "${workspaceFolder}/src",
-        "${workspaceFolder}/build/opengeode-io/include",
-        "${workspaceFolder}/build/third_party/assimp/install/include",
-        "${workspaceFolder}/build/third_party/pugixml/install/include",
-        "${workspaceFolder}/build/third_party/zlib/install/include",
-        "${workspaceFolder:OpenGeode}/include",
-        "${workspaceFolder:OpenGeode}/build/opengeode/include",
-        "${workspaceFolder:OpenGeode}/build/third_party/abseil/install/include",
-        "${workspaceFolder:OpenGeode}/build/third_party/bitsery/install/include",
-        "${workspaceFolder:OpenGeode}/build/third_party/gdal/install/include",
-        "${workspaceFolder:OpenGeode}/build/third_party/pybind11/install/include",
-        "${workspaceFolder:OpenGeode}/build/third_party/asyncplusplus/install/include"
-    ],
-    "files.watcherExclude": {
-        "${workspaceFolder}/build/**": true
-    }
-}
\ No newline at end of file
+  "C_Cpp.default.cppStandard": "c++17",
+  "C_Cpp.default.includePath": [
+    "${workspaceFolder}/include",
+    "${workspaceFolder}/build/opengeode-io/include",
+    "${workspaceFolder}/build/third_party/assimp/install/include",
+    "${workspaceFolder}/build/third_party/pugixml/install/include",
+    "${workspaceFolder}/build/third_party/json/install/include",
+    "${workspaceFolder}/build/third_party/zlib/install/include",
+    "${workspaceFolder:OpenGeode}/include",
+    "${workspaceFolder:OpenGeode}/build/opengeode/include",
+    "${workspaceFolder:OpenGeode}/build/third_party/abseil/install/include",
+    "${workspaceFolder:OpenGeode}/build/third_party/bitsery/install/include",
+    "${workspaceFolder:OpenGeode}/build/third_party/gdal/install/include",
+    "${workspaceFolder:OpenGeode}/build/third_party/pybind11/install/include",
+    "${workspaceFolder:OpenGeode}/build/third_party/asyncplusplus/install/include"
+  ],
+  "C_Cpp.default.browse.path": [
+    "${workspaceFolder}/include",
+    "${workspaceFolder}/src",
+    "${workspaceFolder}/build/opengeode-io/include",
+    "${workspaceFolder}/build/third_party/assimp/install/include",
+    "${workspaceFolder}/build/third_party/pugixml/install/include",
+    "${workspaceFolder}/build/third_party/json/install/include",
+    "${workspaceFolder}/build/third_party/zlib/install/include",
+    "${workspaceFolder:OpenGeode}/include",
+    "${workspaceFolder:OpenGeode}/build/opengeode/include",
+    "${workspaceFolder:OpenGeode}/build/third_party/abseil/install/include",
+    "${workspaceFolder:OpenGeode}/build/third_party/bitsery/install/include",
+    "${workspaceFolder:OpenGeode}/build/third_party/gdal/install/include",
+    "${workspaceFolder:OpenGeode}/build/third_party/pybind11/install/include",
+    "${workspaceFolder:OpenGeode}/build/third_party/asyncplusplus/install/include"
+  ],
+  "files.watcherExclude": {
+    "${workspaceFolder}/build/**": true
+  }
+}
diff --git a/include/geode/io/mesh/internal/csv_input.hpp b/include/geode/io/mesh/internal/csv_input.hpp
index 3d3c1eab..d6a8e560 100644
--- a/include/geode/io/mesh/internal/csv_input.hpp
+++ b/include/geode/io/mesh/internal/csv_input.hpp
@@ -31,37 +31,35 @@ namespace geode
     ALIAS_3D( PointSet );
 } // namespace geode
 
-namespace geode
+namespace geode::internal
 {
-    namespace internal
+    class CSVInput final : public PointSetInput< 3 >
     {
-        class CSVInput final : public PointSetInput< 3 >
+    public:
+        explicit CSVInput( std::string_view filename )
+            : PointSetInput< 3 >( filename )
         {
-        public:
-            explicit CSVInput( std::string_view filename )
-                : PointSetInput< 3 >( filename )
-            {
-            }
+        }
 
-            static std::string_view extension()
-            {
-                static constexpr auto EXT = "csv";
-                return EXT;
-            }
+        static std::string_view extension()
+        {
+            static constexpr auto EXT = "csv";
+            return EXT;
+        }
 
-            std::unique_ptr< PointSet3D > read( const MeshImpl& impl ) final;
+        [[nodiscard]] std::unique_ptr< PointSet3D > read(
+            const MeshImpl& impl ) final;
 
-            AdditionalFiles additional_files() const final;
+        [[nodiscard]] AdditionalFiles additional_files() const final;
 
-            index_t object_priority() const final
-            {
-                return 0;
-            }
+        [[nodiscard]] index_t object_priority() const final
+        {
+            return 0;
+        }
 
-            Percentage is_loadable() const final
-            {
-                return Percentage{ 1 };
-            }
-        };
-    } // namespace internal
-} // namespace geode
\ No newline at end of file
+        [[nodiscard]] Percentage is_loadable() const final
+        {
+            return Percentage{ 1 };
+        }
+    };
+} // namespace geode::internal
\ No newline at end of file
diff --git a/src/geode/io/mesh/csv_input.cpp b/src/geode/io/mesh/csv_input.cpp
index 857f273b..58baed92 100644
--- a/src/geode/io/mesh/csv_input.cpp
+++ b/src/geode/io/mesh/csv_input.cpp
@@ -21,7 +21,7 @@
  *
  */
 
-#pragma once
+#include <geode/io/mesh/internal/csv_input.hpp>
 
 #include <fstream>
 #include <optional>
@@ -47,7 +47,6 @@
 #include <geode/basic/variable_attribute.hpp>
 
 #include <geode/io/mesh/csv_input_helpers.hpp>
-#include <geode/io/mesh/internal/csv_input.hpp>
 
 #include <geode/mesh/builder/point_set_builder.hpp>
 #include <geode/mesh/core/point_set.hpp>
@@ -57,7 +56,7 @@ namespace
     class CSVInputImpl
     {
     public:
-        CSVInputImpl( std::string_view filename )
+        explicit CSVInputImpl( std::string_view filename )
             : filename_{ filename },
               json_filename_{ geode::to_string( filename.substr(
                                   0, filename.find_last_of( '.' ) ) )
@@ -71,12 +70,12 @@ namespace
             geode::CsvInputHelpers helpers{ filename_ };
             nlohmann::json json;
             json_file_ >> json;
-            helpers.set_first_row( json["FirstRow"] );
-            helpers.set_header_row( json["HeaderRow"] );
-            helpers.set_separator( json["Separator"].get< std::string >()[0] );
-            helpers.set_x_column( json["XColumn"] );
-            helpers.set_y_column( json["YColumn"] );
-            helpers.set_z_column( json["ZColumn"] );
+            helpers.set_first_row( json["firstRow"] );
+            helpers.set_header_row( json["headerRow"] );
+            helpers.set_separator( json["separator"].get< std::string >()[0] );
+            helpers.set_x_column( json["xColumn"] );
+            helpers.set_y_column( json["yColumn"] );
+            helpers.set_z_column( json["zColumn"] );
             return helpers.create_point_set();
         }
 
@@ -92,9 +91,9 @@ namespace
             bool contains_all_info{ true };
             nlohmann::json json;
             json_file_ >> json;
-            if( !json.contains( "FirstRow" ) || !json.contains( "HeaderRow" )
-                || !json.contains( "Separator" ) || !json.contains( "XColumn" )
-                || !json.contains( "YColumn" ) || !json.contains( "ZColumn" ) )
+            if( !json.contains( "firstRow" ) || !json.contains( "headerRow" )
+                || !json.contains( "separator" ) || !json.contains( "xColumn" )
+                || !json.contains( "yColumn" ) || !json.contains( "zColumn" ) )
             {
                 contains_all_info = false;
             }
@@ -117,13 +116,13 @@ namespace geode
         std::unique_ptr< PointSet3D > CSVInput::read( const MeshImpl& impl )
         {
             geode_unused( impl );
-            CSVInputImpl reader{ this->filename() };
+            CSVInputImpl reader{ filename() };
             return reader.point_set();
         }
 
         AdditionalFiles CSVInput::additional_files() const
         {
-            CSVInputImpl reader{ this->filename() };
+            CSVInputImpl reader{ filename() };
             return reader.additional_files();
         }
 
diff --git a/tests/data/missing_key_word.json b/tests/data/missing_key_word.json
index b76ed0e8..0d970e8b 100644
--- a/tests/data/missing_key_word.json
+++ b/tests/data/missing_key_word.json
@@ -1,7 +1,7 @@
 {
-  "FirstRow": 1,
-  "HeaderRow": 0,
-  "XColumn": 1,
-  "YColumn": 2,
-  "ZColumn": 3
-}
\ No newline at end of file
+  "firstRow": 1,
+  "headerRow": 0,
+  "xColumn": 1,
+  "yColumn": 2,
+  "zColumn": 3
+}
diff --git a/tests/data/top_granitoid_vertices.json b/tests/data/top_granitoid_vertices.json
index ff4c3a54..71d28d86 100644
--- a/tests/data/top_granitoid_vertices.json
+++ b/tests/data/top_granitoid_vertices.json
@@ -1,8 +1,8 @@
 {
-  "FirstRow": 1,
-  "HeaderRow": 0,
-  "Separator": ",",
-  "XColumn": 0,
-  "YColumn": 1,
-  "ZColumn": 2
-}
\ No newline at end of file
+  "firstRow": 1,
+  "headerRow": 0,
+  "separator": ",",
+  "xColumn": 0,
+  "yColumn": 1,
+  "zColumn": 2
+}