diff --git a/docs/make.jl b/docs/make.jl
index 047f96b..4b507ce 100644
--- a/docs/make.jl
+++ b/docs/make.jl
@@ -1,14 +1,14 @@
 using Documenter, StatFiles
 
 makedocs(
-	modules = [StatFiles],
-	sitename = "StatFiles.jl",
+	modules=[StatFiles],
+	sitename="StatFiles.jl",
 	analytics="UA-132838790-1",
-	pages = [
+	pages=[
         "Introduction" => "index.md"
     ]
 )
 
 deploydocs(
-    repo = "github.com/queryverse/StatFiles.jl.git"
+    repo="github.com/queryverse/StatFiles.jl.git"
 )
diff --git a/src/StatFiles.jl b/src/StatFiles.jl
index 55ba08e..18ba5bc 100644
--- a/src/StatFiles.jl
+++ b/src/StatFiles.jl
@@ -12,11 +12,11 @@ end
 
 function Base.show(io::IO, source::StatFile)
     file_ext = lowercase(splitext(source.filename)[2])
-    filetype = if file_ext==".dta"
+    filetype = if file_ext == ".dta"
         "STATA file"
-    elseif file_ext==".sav"
+    elseif file_ext == ".sav"
         "SPSS file"
-    elseif file_ext==".sas7bdat"
+    elseif file_ext == ".sas7bdat"
         "SAS file"
     else
         "file"
@@ -53,13 +53,13 @@ TableTraits.isiterabletable(x::StatFile) = true
 
 function IteratorInterfaceExtensions.getiterator(file::StatFile)
     filename, extension = splitext(file.filename)
-    if extension==".dta"
+    if extension == ".dta"
         df = read_dta(file.filename)
-    elseif extension==".por"
+    elseif extension == ".por"
         df = read_por(file.filename)
-    elseif extension==".sav"
+    elseif extension == ".sav"
         df = read_sav(file.filename)
-    elseif extension==".sas7bdat"
+    elseif extension == ".sas7bdat"
         df = read_sas7bdat(file.filename)
     else
         error("Unknown file type.")
diff --git a/test/runtests.jl b/test/runtests.jl
index 3fcb02b..a16dfed 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -6,65 +6,65 @@ using Test
 
 @testset "StatFiles" begin
 
-ar = load("types.dta") |> IteratorInterfaceExtensions.getiterator |> collect
+    ar = load("types.dta") |> IteratorInterfaceExtensions.getiterator |> collect
 
-@test length(ar) == 3
-@test ar[1] == (vfloat=DataValue{Float32}(3.14), vdouble=DataValue(3.14), vlong=DataValue{Int32}(2), vint=DataValue{Int16}(2), vbyte=DataValue{Int8}(2), vstring=DataValue("2"))
-@test ar[2] == (vfloat=DataValue{Float32}(7.), vdouble=DataValue(7.), vlong=DataValue{Int32}(7), vint=DataValue{Int16}(7), vbyte=DataValue{Int8}(7), vstring=DataValue("7"))
-@test ar[3] == (vfloat=DataValue{Float32}(), vdouble=DataValue{Float64}(), vlong=DataValue{Int32}(), vint=DataValue{Int16}(), vbyte=DataValue{Int8}(), vstring=DataValue(""))
-@test TableTraits.isiterabletable(load("types.dta")) == true
-@test IteratorInterfaceExtensions.isiterable(load("types.dta")) == true
+    @test length(ar) == 3
+    @test ar[1] == (vfloat = DataValue{Float32}(3.14), vdouble = DataValue(3.14), vlong = DataValue{Int32}(2), vint = DataValue{Int16}(2), vbyte = DataValue{Int8}(2), vstring = DataValue("2"))
+    @test ar[2] == (vfloat = DataValue{Float32}(7.), vdouble = DataValue(7.), vlong = DataValue{Int32}(7), vint = DataValue{Int16}(7), vbyte = DataValue{Int8}(7), vstring = DataValue("7"))
+    @test ar[3] == (vfloat = DataValue{Float32}(), vdouble = DataValue{Float64}(), vlong = DataValue{Int32}(), vint = DataValue{Int16}(), vbyte = DataValue{Int8}(), vstring = DataValue(""))
+    @test TableTraits.isiterabletable(load("types.dta")) == true
+    @test IteratorInterfaceExtensions.isiterable(load("types.dta")) == true
 
-ar = load("types.sas7bdat") |> IteratorInterfaceExtensions.getiterator |> collect
+    ar = load("types.sas7bdat") |> IteratorInterfaceExtensions.getiterator |> collect
 
-@test length(ar) == 3
-@test ar[1] == (vfloat=DataValue{Float32}(3.14), vdouble=DataValue(3.14), vlong=DataValue{Int32}(2), vint=DataValue{Int16}(2), vbyte=DataValue{Int8}(2), vstring=DataValue("2"))
-@test ar[2] == (vfloat=DataValue{Float32}(7.), vdouble=DataValue(7.), vlong=DataValue{Int32}(7), vint=DataValue{Int16}(7), vbyte=DataValue{Int8}(7), vstring=DataValue("7"))
-@test ar[3] == (vfloat=DataValue{Float32}(), vdouble=DataValue{Float64}(), vlong=DataValue{Int32}(), vint=DataValue{Int16}(), vbyte=DataValue{Int8}(), vstring=DataValue(""))
-@test TableTraits.isiterabletable(load("types.sas7bdat")) == true
-@test IteratorInterfaceExtensions.isiterable(load("types.sas7bdat")) == true
+    @test length(ar) == 3
+    @test ar[1] == (vfloat = DataValue{Float32}(3.14), vdouble = DataValue(3.14), vlong = DataValue{Int32}(2), vint = DataValue{Int16}(2), vbyte = DataValue{Int8}(2), vstring = DataValue("2"))
+    @test ar[2] == (vfloat = DataValue{Float32}(7.), vdouble = DataValue(7.), vlong = DataValue{Int32}(7), vint = DataValue{Int16}(7), vbyte = DataValue{Int8}(7), vstring = DataValue("7"))
+    @test ar[3] == (vfloat = DataValue{Float32}(), vdouble = DataValue{Float64}(), vlong = DataValue{Int32}(), vint = DataValue{Int16}(), vbyte = DataValue{Int8}(), vstring = DataValue(""))
+    @test TableTraits.isiterabletable(load("types.sas7bdat")) == true
+    @test IteratorInterfaceExtensions.isiterable(load("types.sas7bdat")) == true
 
-ar = load("types.sav") |> IteratorInterfaceExtensions.getiterator |> collect
+    ar = load("types.sav") |> IteratorInterfaceExtensions.getiterator |> collect
 
-@test length(ar) == 3
-@test ar[1] == (vfloat=DataValue{Float32}(3.14), vdouble=DataValue(3.14), vlong=DataValue{Int32}(2), vint=DataValue{Int16}(2), vbyte=DataValue{Int8}(2), vstring=DataValue("2"))
-@test ar[2] == (vfloat=DataValue{Float32}(7.), vdouble=DataValue(7.), vlong=DataValue{Int32}(7), vint=DataValue{Int16}(7), vbyte=DataValue{Int8}(7), vstring=DataValue("7"))
-@test ar[3] == (vfloat=DataValue{Float32}(), vdouble=DataValue{Float64}(), vlong=DataValue{Int32}(), vint=DataValue{Int16}(), vbyte=DataValue{Int8}(), vstring=DataValue(""))
-@test TableTraits.isiterabletable(load("types.sav")) == true
-@test IteratorInterfaceExtensions.isiterable(load("types.sav")) == true
+    @test length(ar) == 3
+    @test ar[1] == (vfloat = DataValue{Float32}(3.14), vdouble = DataValue(3.14), vlong = DataValue{Int32}(2), vint = DataValue{Int16}(2), vbyte = DataValue{Int8}(2), vstring = DataValue("2"))
+    @test ar[2] == (vfloat = DataValue{Float32}(7.), vdouble = DataValue(7.), vlong = DataValue{Int32}(7), vint = DataValue{Int16}(7), vbyte = DataValue{Int8}(7), vstring = DataValue("7"))
+    @test ar[3] == (vfloat = DataValue{Float32}(), vdouble = DataValue{Float64}(), vlong = DataValue{Int32}(), vint = DataValue{Int16}(), vbyte = DataValue{Int8}(), vstring = DataValue(""))
+    @test TableTraits.isiterabletable(load("types.sav")) == true
+    @test IteratorInterfaceExtensions.isiterable(load("types.sav")) == true
 
 end
 
 @testset "Show" begin
 
-ar = load("types.dta")
+    ar = load("types.dta")
 
-@test sprint((stream,data)->show(stream, "text/html", data), ar) == "<table><thead><tr><th>vfloat</th><th>vdouble</th><th>vlong</th><th>vint</th><th>vbyte</th><th>vstring</th></tr></thead><tbody><tr><td>3.14</td><td>3.14</td><td>2</td><td>2</td><td>2</td><td>&quot;2&quot;</td></tr><tr><td>7.0</td><td>7.0</td><td>7</td><td>7</td><td>7</td><td>&quot;7&quot;</td></tr><tr><td>#NA</td><td>#NA</td><td>#NA</td><td>#NA</td><td>#NA</td><td>&quot;&quot;</td></tr></tbody></table>"
-@test sprint((stream,data)->show(stream, "application/vnd.dataresource+json", data), ar) ==
+    @test sprint((stream, data) -> show(stream, "text/html", data), ar) == "<table><thead><tr><th>vfloat</th><th>vdouble</th><th>vlong</th><th>vint</th><th>vbyte</th><th>vstring</th></tr></thead><tbody><tr><td>3.14</td><td>3.14</td><td>2</td><td>2</td><td>2</td><td>&quot;2&quot;</td></tr><tr><td>7.0</td><td>7.0</td><td>7</td><td>7</td><td>7</td><td>&quot;7&quot;</td></tr><tr><td>#NA</td><td>#NA</td><td>#NA</td><td>#NA</td><td>#NA</td><td>&quot;&quot;</td></tr></tbody></table>"
+    @test sprint((stream, data) -> show(stream, "application/vnd.dataresource+json", data), ar) ==
 "{\"schema\":{\"fields\":[{\"name\":\"vfloat\",\"type\":\"number\"},{\"name\":\"vdouble\",\"type\":\"number\"},{\"name\":\"vlong\",\"type\":\"integer\"},{\"name\":\"vint\",\"type\":\"integer\"},{\"name\":\"vbyte\",\"type\":\"integer\"},{\"name\":\"vstring\",\"type\":\"string\"}]},\"data\":[{\"vfloat\":3.14,\"vdouble\":3.14,\"vlong\":2,\"vint\":2,\"vbyte\":2,\"vstring\":\"2\"},{\"vfloat\":7.0,\"vdouble\":7.0,\"vlong\":7,\"vint\":7,\"vbyte\":7,\"vstring\":\"7\"},{\"vfloat\":null,\"vdouble\":null,\"vlong\":null,\"vint\":null,\"vbyte\":null,\"vstring\":\"\"}]}"
-@test sprint(show, ar) == "3x6 STATA file\nvfloat │ vdouble │ vlong │ vint │ vbyte │ vstring\n───────┼─────────┼───────┼──────┼───────┼────────\n3.14   │ 3.14    │ 2     │ 2    │ 2     │ \"2\"    \n7.0    │ 7.0     │ 7     │ 7    │ 7     │ \"7\"    \n#NA    │ #NA     │ #NA   │ #NA  │ #NA   │ \"\"     "
+    @test sprint(show, ar) == "3x6 STATA file\nvfloat │ vdouble │ vlong │ vint │ vbyte │ vstring\n───────┼─────────┼───────┼──────┼───────┼────────\n3.14   │ 3.14    │ 2     │ 2    │ 2     │ \"2\"    \n7.0    │ 7.0     │ 7     │ 7    │ 7     │ \"7\"    \n#NA    │ #NA     │ #NA   │ #NA  │ #NA   │ \"\"     "
 
-@test showable("text/html", ar) == true
-@test showable("application/vnd.dataresource+json", ar) == true
+    @test showable("text/html", ar) == true
+    @test showable("application/vnd.dataresource+json", ar) == true
 
-ar = load("types.sas7bdat")
+    ar = load("types.sas7bdat")
 
-@test sprint((stream,data)->show(stream, "text/html", data), ar) == "<table><thead><tr><th>vfloat</th><th>vdouble</th><th>vlong</th><th>vint</th><th>vbyte</th><th>vstring</th></tr></thead><tbody><tr><td>3.14</td><td>3.14</td><td>2.0</td><td>2.0</td><td>2.0</td><td>&quot;2&quot;</td></tr><tr><td>7.0</td><td>7.0</td><td>7.0</td><td>7.0</td><td>7.0</td><td>&quot;7&quot;</td></tr><tr><td>#NA</td><td>#NA</td><td>#NA</td><td>#NA</td><td>#NA</td><td>&quot;&quot;</td></tr></tbody></table>"
-@test sprint((stream,data)->show(stream, "application/vnd.dataresource+json", data), ar) ==
+    @test sprint((stream, data) -> show(stream, "text/html", data), ar) == "<table><thead><tr><th>vfloat</th><th>vdouble</th><th>vlong</th><th>vint</th><th>vbyte</th><th>vstring</th></tr></thead><tbody><tr><td>3.14</td><td>3.14</td><td>2.0</td><td>2.0</td><td>2.0</td><td>&quot;2&quot;</td></tr><tr><td>7.0</td><td>7.0</td><td>7.0</td><td>7.0</td><td>7.0</td><td>&quot;7&quot;</td></tr><tr><td>#NA</td><td>#NA</td><td>#NA</td><td>#NA</td><td>#NA</td><td>&quot;&quot;</td></tr></tbody></table>"
+    @test sprint((stream, data) -> show(stream, "application/vnd.dataresource+json", data), ar) ==
 "{\"schema\":{\"fields\":[{\"name\":\"vfloat\",\"type\":\"number\"},{\"name\":\"vdouble\",\"type\":\"number\"},{\"name\":\"vlong\",\"type\":\"number\"},{\"name\":\"vint\",\"type\":\"number\"},{\"name\":\"vbyte\",\"type\":\"number\"},{\"name\":\"vstring\",\"type\":\"string\"}]},\"data\":[{\"vfloat\":3.140000104904175,\"vdouble\":3.14,\"vlong\":2.0,\"vint\":2.0,\"vbyte\":2.0,\"vstring\":\"2\"},{\"vfloat\":7.0,\"vdouble\":7.0,\"vlong\":7.0,\"vint\":7.0,\"vbyte\":7.0,\"vstring\":\"7\"},{\"vfloat\":null,\"vdouble\":null,\"vlong\":null,\"vint\":null,\"vbyte\":null,\"vstring\":\"\"}]}"
-@test sprint(show, ar) == "3x6 SAS file\nvfloat │ vdouble │ vlong │ vint │ vbyte │ vstring\n───────┼─────────┼───────┼──────┼───────┼────────\n3.14   │ 3.14    │ 2.0   │ 2.0  │ 2.0   │ \"2\"    \n7.0    │ 7.0     │ 7.0   │ 7.0  │ 7.0   │ \"7\"    \n#NA    │ #NA     │ #NA   │ #NA  │ #NA   │ \"\"     "
+    @test sprint(show, ar) == "3x6 SAS file\nvfloat │ vdouble │ vlong │ vint │ vbyte │ vstring\n───────┼─────────┼───────┼──────┼───────┼────────\n3.14   │ 3.14    │ 2.0   │ 2.0  │ 2.0   │ \"2\"    \n7.0    │ 7.0     │ 7.0   │ 7.0  │ 7.0   │ \"7\"    \n#NA    │ #NA     │ #NA   │ #NA  │ #NA   │ \"\"     "
 
-@test showable("text/html", ar) == true
-@test showable("application/vnd.dataresource+json", ar) == true
+    @test showable("text/html", ar) == true
+    @test showable("application/vnd.dataresource+json", ar) == true
 
-ar = load("types.sav")
+    ar = load("types.sav")
 
-@test sprint((stream,data)->show(stream, "text/html", data), ar) == "<table><thead><tr><th>vfloat</th><th>vdouble</th><th>vlong</th><th>vint</th><th>vbyte</th><th>vstring</th></tr></thead><tbody><tr><td>3.14</td><td>3.14</td><td>2.0</td><td>2.0</td><td>2.0</td><td>&quot;2&quot;</td></tr><tr><td>7.0</td><td>7.0</td><td>7.0</td><td>7.0</td><td>7.0</td><td>&quot;7&quot;</td></tr><tr><td>#NA</td><td>#NA</td><td>#NA</td><td>#NA</td><td>#NA</td><td>&quot;&quot;</td></tr></tbody></table>"
-@test sprint((stream,data)->show(stream, "application/vnd.dataresource+json", data), ar) ==
+    @test sprint((stream, data) -> show(stream, "text/html", data), ar) == "<table><thead><tr><th>vfloat</th><th>vdouble</th><th>vlong</th><th>vint</th><th>vbyte</th><th>vstring</th></tr></thead><tbody><tr><td>3.14</td><td>3.14</td><td>2.0</td><td>2.0</td><td>2.0</td><td>&quot;2&quot;</td></tr><tr><td>7.0</td><td>7.0</td><td>7.0</td><td>7.0</td><td>7.0</td><td>&quot;7&quot;</td></tr><tr><td>#NA</td><td>#NA</td><td>#NA</td><td>#NA</td><td>#NA</td><td>&quot;&quot;</td></tr></tbody></table>"
+    @test sprint((stream, data) -> show(stream, "application/vnd.dataresource+json", data), ar) ==
 "{\"schema\":{\"fields\":[{\"name\":\"vfloat\",\"type\":\"number\"},{\"name\":\"vdouble\",\"type\":\"number\"},{\"name\":\"vlong\",\"type\":\"number\"},{\"name\":\"vint\",\"type\":\"number\"},{\"name\":\"vbyte\",\"type\":\"number\"},{\"name\":\"vstring\",\"type\":\"string\"}]},\"data\":[{\"vfloat\":3.140000104904175,\"vdouble\":3.14,\"vlong\":2.0,\"vint\":2.0,\"vbyte\":2.0,\"vstring\":\"2\"},{\"vfloat\":7.0,\"vdouble\":7.0,\"vlong\":7.0,\"vint\":7.0,\"vbyte\":7.0,\"vstring\":\"7\"},{\"vfloat\":null,\"vdouble\":null,\"vlong\":null,\"vint\":null,\"vbyte\":null,\"vstring\":\"\"}]}"
-@test sprint(show, ar) == "3x6 SPSS file\nvfloat │ vdouble │ vlong │ vint │ vbyte │ vstring\n───────┼─────────┼───────┼──────┼───────┼────────\n3.14   │ 3.14    │ 2.0   │ 2.0  │ 2.0   │ \"2\"    \n7.0    │ 7.0     │ 7.0   │ 7.0  │ 7.0   │ \"7\"    \n#NA    │ #NA     │ #NA   │ #NA  │ #NA   │ \"\"     "
+    @test sprint(show, ar) == "3x6 SPSS file\nvfloat │ vdouble │ vlong │ vint │ vbyte │ vstring\n───────┼─────────┼───────┼──────┼───────┼────────\n3.14   │ 3.14    │ 2.0   │ 2.0  │ 2.0   │ \"2\"    \n7.0    │ 7.0     │ 7.0   │ 7.0  │ 7.0   │ \"7\"    \n#NA    │ #NA     │ #NA   │ #NA  │ #NA   │ \"\"     "
 
-@test showable("text/html", ar) == true
-@test showable("application/vnd.dataresource+json", ar) == true
+    @test showable("text/html", ar) == true
+    @test showable("application/vnd.dataresource+json", ar) == true
 
 end