From 651e0ac827b8abe9773541986f4e6d529eca35ec Mon Sep 17 00:00:00 2001
From: Nikhil Parasaram <nikhilparasaram@gmail.com>
Date: Fri, 5 Nov 2021 13:23:39 +0000
Subject: [PATCH] Ignore plyvel (#1543)

---
 mythril/ethereum/interface/leveldb/eth_db.py | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/mythril/ethereum/interface/leveldb/eth_db.py b/mythril/ethereum/interface/leveldb/eth_db.py
index a296f696..1391c1a4 100644
--- a/mythril/ethereum/interface/leveldb/eth_db.py
+++ b/mythril/ethereum/interface/leveldb/eth_db.py
@@ -1,13 +1,23 @@
 """This module contains the ETH_DB class, which the base database used by
 pyethereum."""
-import plyvel
+
 from ethereum.db import BaseDB
 
+has_plyvel = True
+try:
+    import plyvel
+except ImportError:
+    has_plyvel = False
+
 
 class ETH_DB(BaseDB):
     """Adopts pythereum BaseDB using plyvel."""
 
     def __init__(self, path):
+        if has_plyvel is False:
+            raise ImportError(
+                "Plyvel is not installed, please install plyvel and leveldb"
+            )
         self.db = plyvel.DB(path)
 
     def get(self, key):