diff --git a/src/ColBERT.jl b/src/ColBERT.jl
index 41fb017..a52d9a4 100644
--- a/src/ColBERT.jl
+++ b/src/ColBERT.jl
@@ -3,7 +3,6 @@ using CSV
 using Logging
 using Transformers
 
-
 # datasets
 include("data/collection.jl")
 include("data/queries.jl")
@@ -12,9 +11,9 @@ export Collection, Queries
 # config and other infra
 include("infra/settings.jl")
 include("infra/config.jl")
-export  RunSettings, TokenizerSettings, ResourceSettings,
-        DocSettings, QuerySettings, IndexingSettings,
-        SearchSettings, ColBERTConfig
+export RunSettings, TokenizerSettings, ResourceSettings,
+       DocSettings, QuerySettings, IndexingSettings,
+       SearchSettings, ColBERTConfig
 
 # models
 include("modelling/checkpoint.jl")
diff --git a/src/data/collection.jl b/src/data/collection.jl
index dbfeec0..db21e86 100644
--- a/src/data/collection.jl
+++ b/src/data/collection.jl
@@ -6,7 +6,8 @@ struct Collection
 end
 
 function Collection(path::String)
-    file = CSV.File(path; delim='\t', header = [:pid, :text], types = Dict(:pid => Int, :text => String), debug=true, quoted=false)
+    file = CSV.File(path; delim = '\t', header = [:pid, :text],
+        types = Dict(:pid => Int, :text => String), debug = true, quoted = false)
     @info "Loaded $(length(file.text)[1]) passages."
     Collection(path, file.text)
 end
@@ -15,7 +16,9 @@ function get_chunksize(collection::Collection, nranks::Int)
     min(25000, 1 + floor(length(collection.data) / nranks))
 end
 
-function enumerate_batches(collection::Collection, chunksize::Union{Int, Missing} = missing, nranks::Union{Int, Missing} = missing)
+function enumerate_batches(
+        collection::Collection, chunksize::Union{Int, Missing} = missing,
+        nranks::Union{Int, Missing} = missing)
     if ismissing(chunksize)
         if ismissing(nranks)
             error("Atleast one of the arguments chunksize or nranks must be specified!")
@@ -27,7 +30,9 @@ function enumerate_batches(collection::Collection, chunksize::Union{Int, Missing
     batches = Vector{Tuple{Int, Int, Vector{String}}}()
     chunk_idx, offset = 1, 1
     while true
-        push!(batches, (chunk_idx, offset, collection.data[offset:min(offset + chunksize - 1, num_passages)]))
+        push!(batches,
+            (chunk_idx, offset,
+                collection.data[offset:min(offset + chunksize - 1, num_passages)]))
         chunk_idx += 1
         offset += chunksize
 
@@ -37,4 +42,3 @@ function enumerate_batches(collection::Collection, chunksize::Union{Int, Missing
     end
     batches
 end
-
diff --git a/src/modelling/checkpoint.jl b/src/modelling/checkpoint.jl
index 8faa736..3df5265 100644
--- a/src/modelling/checkpoint.jl
+++ b/src/modelling/checkpoint.jl
@@ -1,11 +1,11 @@
 struct BaseColBERT
-    bert
-    linear
+    bert::Any
+    linear::Any
     tokenizer::Transformers.TextEncoders.AbstractTransformerTextEncoder
 end
 
 struct Checkpoint
     model::BaseColBERT
-    doc_tokenizer
-    colbert_config
+    doc_tokenizer::Any
+    colbert_config::Any
 end