try fix

Author: IanButterworth

src/Types.jl

@@ -470,7 +470,17 @@ function write_env_usage(source_file::AbstractString, usage_filepath::AbstractSt
     while true
         # read existing usage file
         usage = if isfile(usage_file)
-            TOML.parsefile(usage_file)
+            retries = 0
+            @label retry1
+            try
+                # If the file existed, but disappears during parse, keep trying and error if retries fail
+                TOML.parsefile(usage_file)
+            catch
+                retries += 1
+                retries > 20 && rethrow()
+                sleep(0.1)
+                @goto retry1
+            end
         else
             Dict{String, Any}()
         end
@@ -495,7 +505,17 @@ function write_env_usage(source_file::AbstractString, usage_filepath::AbstractSt
 
         # Check that the new file has what we want in it
         new_usage = if isfile(usage_file)
-            TOML.parsefile(usage_file)
+            retries = 0
+            @label retry2
+            try
+                # If the file existed, but disappears during parse, keep trying and error if retries fail
+                TOML.parsefile(usage_file)
+            catch
+                retries += 1
+                retries > 20 && rethrow()
+                sleep(0.1)
+                @goto retry2
+            end
         else
             Dict{String, Any}()
         end