diff --git a/pyproject.toml b/pyproject.toml
index 0dd65b1..2fd91f2 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -5,7 +5,7 @@ requires = [
 build-backend = "hatchling.build"
 [project]
 name = "itp_interface"
-version = "1.11.0"
+version = "1.12.0"
 authors = [
   { name="Amitayush Thakur", email="amitayush@utexas.edu" },
 ]
diff --git a/src/itp_interface/lean/tactic_parser/TacticParser.lean b/src/itp_interface/lean/tactic_parser/TacticParser.lean
index 762a727..b32baf9 100644
--- a/src/itp_interface/lean/tactic_parser/TacticParser.lean
+++ b/src/itp_interface/lean/tactic_parser/TacticParser.lean
@@ -2,5 +2,4 @@ import TacticParser.Base64
 import TacticParser.Types
 import TacticParser.SyntaxWalker
 import TacticParser.Main
-import TacticParser.SyntaxWalkerMain
 import TacticParser.Example.simple
diff --git a/src/itp_interface/lean/tactic_parser/TacticParser/DependencyParser.lean b/src/itp_interface/lean/tactic_parser/TacticParser/DependencyParser.lean
index ee13796..65b86fc 100644
--- a/src/itp_interface/lean/tactic_parser/TacticParser/DependencyParser.lean
+++ b/src/itp_interface/lean/tactic_parser/TacticParser/DependencyParser.lean
@@ -178,7 +178,8 @@ partial def findImports (stx : Syntax) (content: String) : IO (Array ImportInfo)
 
 /-- Parse imports and namespaces from a Lean 4 file -/
 def parseImports (filepath : System.FilePath) : IO DependencyInfo := do
-  let content ← IO.FS.readFile filepath
+  let mut content ← IO.FS.readFile filepath
+  content := if content.endsWith "\n" then content else content ++ "\n"
   let inputCtx := mkInputContext content filepath.toString
 
   -- Parse header which contains imports
@@ -254,7 +255,10 @@ def extractConstantsFromConstInfo (cinfo : ConstantInfo) : NameSet :=
 /-- Analyze all declarations in a file and extract their dependencies -/
 unsafe def analyzeFileDependencies (filepath : System.FilePath) : IO FileDependencyAnalysis := do
   -- Read file content
-  let content ← IO.FS.readFile filepath
+  let mut content ← IO.FS.readFile filepath
+
+  -- if content does not end with a newline, add one to avoid parsing issues
+  content := if content.endsWith "\n" then content else content ++ "\n"
 
   -- Parse basic file structure (imports and namespaces)
   let depInfo ← parseImports filepath
diff --git a/src/itp_interface/lean/tactic_parser/TacticParser/Example/complex.lean b/src/itp_interface/lean/tactic_parser/TacticParser/Example/complex.lean
index f05e8e1..4709f11 100644
--- a/src/itp_interface/lean/tactic_parser/TacticParser/Example/complex.lean
+++ b/src/itp_interface/lean/tactic_parser/TacticParser/Example/complex.lean
@@ -20,6 +20,4 @@ theorem additive_identity2 :
   simp [additive]
 
 theorem additive_comm:
-∀ {a b : Nat}, addNat a b = addNat b a := by
-  simp [additive]
-  grind
+∀ {a b : Nat}, addNat a b = addNat b a := by sorry
\ No newline at end of file
diff --git a/src/itp_interface/lean/tactic_parser/TacticParser/LineParser.lean b/src/itp_interface/lean/tactic_parser/TacticParser/LineParser.lean
index 3e26b53..cc7098c 100644
--- a/src/itp_interface/lean/tactic_parser/TacticParser/LineParser.lean
+++ b/src/itp_interface/lean/tactic_parser/TacticParser/LineParser.lean
@@ -296,7 +296,8 @@ unsafe def parseDecls (originalContent : String) : IO (Array DeclInfo) := do
 
 /-- Parse a Lean 4 file and extract declaration information -/
 unsafe def parseFile (filepath : System.FilePath) : IO (Array DeclInfo) := do
-  let originalContent ← IO.FS.readFile filepath
+  let mut originalContent ← IO.FS.readFile filepath
+  originalContent := if originalContent.endsWith "\n" then originalContent else originalContent ++ "\n"
   let (postProcessedContent, modifiedLineIdx) := postProcess originalContent
   let inputCtx := mkInputContext postProcessedContent filepath.toString