chore: Update Lean to v4.20.1

Pantograph/Environment.lean

@@ -4,6 +4,7 @@ import Pantograph.Protocol
 import Pantograph.Serial
 import Lean.Environment
 import Lean.Replay
+import Lean.Util.Path
 
 open Lean
 open Pantograph
@@ -130,17 +131,20 @@ def inspect (args: Protocol.EnvInspect) (options: @&Protocol.Options): Protocol.
       } }
     | _ => pure core
   let result ← if args.source?.getD false then
-      let srcSearchPath ← initSrcSearchPath
-      let sourceUri? ← module?.bindM (Server.documentUriFromModule srcSearchPath ·)
-      let declRange? ← findDeclarationRanges? name
-      let sourceStart? := declRange?.map (·.range.pos)
-      let sourceEnd? := declRange?.map (·.range.endPos)
-      .pure {
-        result with
-        sourceUri?,
-        sourceStart?,
-        sourceEnd?,
-      }
+      let srcSearchPath ← getSrcSearchPath
+      try
+        let sourceUri? ← module?.mapM (findLean srcSearchPath ·)
+        let declRange? ← findDeclarationRanges? name
+        let sourceStart? := declRange?.map (·.range.pos)
+        let sourceEnd? := declRange?.map (·.range.endPos)
+        .pure {
+          result with
+          sourceUri? := sourceUri?.map (toString ·),
+          sourceStart?,
+          sourceEnd?,
+        }
+      catch _ =>
+        .pure result
     else
       .pure result
   return result

Pantograph/Library.lean

@@ -69,7 +69,7 @@ def createCoreContext (options: Array String): IO Core.Context := do
 @[export pantograph_create_core_state]
 def createCoreState (imports: Array String): IO Core.State := do
   let env ← Lean.importModules
-    (imports := imports.map (λ str => { module := str.toName, runtimeOnly := false }))
+    (imports := imports.map (λ str => { module := str.toName }))
     (opts := {})
     (trustLevel := 1)
     (loadExts := true)

Pantograph/Version.lean

@@ -1,6 +1,6 @@
 namespace Pantograph
 
 @[export pantograph_version]
-def version := "0.3.1"
+def version := "0.3.2"
 
 end Pantograph

lean-toolchain

@@ -1 +1 @@
-leanprover/lean4:v4.19.0
+leanprover/lean4:v4.20.1