restore original requirements

requirements.txt

@@ -4,12 +4,13 @@ coverage
 py_ecc==1.6.0
 eth_abi==1.3.0
 eth-account>=0.1.0a2,<=0.3.0
-ethereum==2.3.1
+ethereum>=2.3.2
 ethereum-input-decoder>=0.2.2
 eth-hash>=0.1.0
 eth-keyfile>=0.5.1
 eth-keys>=0.2.0b3,<0.3.0
 eth-rlp>=0.1.0
+eth-tester==0.1.0b32
 eth-typing>=2.0.0
 eth-utils==1.9.0
 jinja2>=2.9
@@ -18,6 +19,7 @@ numpy==1.19.0
 persistent>=4.2.0
 plyvel
 py-flags
+py-evm==0.3.0a13
 py-solc-x==1.0.0
 py-solc
 pytest>=3.6.0